<p style="text-align:justify"><span style="font-size:14px"><strong>Example 1.15</strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">From </span><span style="color:#26397f">Table 1.8</span><span style="color:black">, find the percentage of heights that are less than 65.95 inches.</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong>Solution 1.15</strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">If you look at the first, second, and third rows, the heights are all less than 65.95 inches. There are 5 + 3 + 15 = 23 players whose heights are less than 65.95 inches. The percentage of heights less than 65.95 inches is then 23/100 or 23 percent. This percentage is the cumulative relative frequency entry in the third row.</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">EXAMPLE&nbsp;1.16</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">From </span><span style="color:#26397f">Table 1.8</span><span style="color:black">, find the percentage of heights that fall between 61.95 and 65.95 inches.</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong>Solution 1.16</strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">Add the relative frequencies in the second and third rows: .03 + .15 = .18 or 18 percent</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">EXAMPLE&nbsp;1.17</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:#424242">From</span>&nbsp;<a href="https://openstax.org/books/introductory-business-statistics/pages/1-3-levels-of-measurement#id9703284" style="color:blue; text-decoration:underline">Table 1.8</a><span style="color:#424242">, find the percentage of heights that fall between 61.95 and 65.95 inches.</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">Solution&nbsp;1.17</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px">Add the relative frequencies in the second and third rows: 0.03 + 0.15 = 0.18 or 18%.</span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">EXAMPLE&nbsp;1.18</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:#424242">Use the heights of the 100 male semiprofessional soccer players in&nbsp;</span><a href="https://openstax.org/books/introductory-business-statistics/pages/1-3-levels-of-measurement#id9703284" style="color:blue; text-decoration:underline">Table 1.8</a>.<span style="color:#424242"> Fill in the blanks and check your answers.</span></span></p>

<ol style="list-style-type:lower-alpha">
	<li>
	<p style="text-align:justify"><span style="font-size:14px">The percentage of heights that are from 67.95 to 71.95 inches is: ____.</span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px">The percentage of heights that are from 67.95 to 73.95 inches is: ____.</span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px">The percentage of heights that are more than 65.95 inches is: ____.</span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px">The number of players in the sample who are between 61.95 and 71.95 inches tall is: ____.</span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px">What kind of data are the heights?</span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px">Describe how you could gather this data (the heights) so that the data are characteristic of all male semiprofessional soccer players.</span></p>
	</li>
</ol>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">Remember, you&nbsp;count frequencies. To find the relative frequency, divide the frequency by the total number of data values. To find the cumulative relative frequency, add all of the previous relative frequencies to the relative frequency for the current row.</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">Solution&nbsp;1.18</span></strong></span></p>

<ol style="list-style-type:lower-alpha">
	<li>
	<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">29%</span></span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">36%</span></span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">77%</span></span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">87</span></span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">quantitative continuous</span></span></p>
	</li>
	<li>
	<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">get rosters from each team and choose a simple random sample from each</span></span></p>
	</li>
</ol>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">EXAMPLE&nbsp;1.19</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">Nineteen people were asked how many miles, to the nearest mile, they commute to work each day. The data are as follows:&nbsp;2;&nbsp;5;&nbsp;7;&nbsp;3;&nbsp;2;&nbsp;10;&nbsp;18;&nbsp;15;&nbsp;20;&nbsp;7;&nbsp;10;&nbsp;</span></span></p>

<p style="text-align:justify"><span style="font-size:14px"><span style="color:black">18;&nbsp;5;&nbsp;12;&nbsp;13;&nbsp;12;&nbsp;4;&nbsp;5;&nbsp;10.&nbsp;</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><a href="https://openstax.org/books/introductory-business-statistics/pages/1-3-levels-of-measurement#id9833287" style="color:blue; text-decoration:underline">Table 1.10</a>&nbsp;was produced:</span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify">&nbsp;</p>

<table cellspacing="0" class="Table" style="border-collapse:collapse; width:900px">
	<thead>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:1px solid black; height:28px; vertical-align:bottom">
			<div style="text-align:center"><span style="font-size:28px"><strong>Data</strong></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:1px solid black; height:28px; vertical-align:bottom">
			<div style="text-align:center"><span style="font-size:28px"><strong>Frequency</strong></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:1px solid black; height:28px; vertical-align:bottom">
			<div style="text-align:center"><span style="font-size:28px"><strong>Relative frequency</strong></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:1px solid black; height:28px; vertical-align:bottom; width:94px">
			<div style="text-align:center"><span style="font-size:28px"><strong>Cumulative relative frequency</strong></span></div>
			</td>
		</tr>
	</thead>
	<tbody>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">3</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">3</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px"><span class="math-tex">\(\frac{3}{19}\)</span> </span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.1579</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">4</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">1</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; text-align:center">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{3}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.2105</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">5</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">3</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{3}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.1579</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">7</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">2</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; text-align:center">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{2}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.2632</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">10</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">3</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{3}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.4737</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">12</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">2</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; text-align:center; vertical-align:top">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{2}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.7895</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">13</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">1</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center; vertical-align:top">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{1}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.8421</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">15</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px">
			<div style="text-align:center"><span style="font-size:28px">1</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; text-align:center; vertical-align:top">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{1}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:27px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.8948</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">18</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px">
			<div style="text-align:center"><span style="font-size:28px">1</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center; vertical-align:top">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{1}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; width:94px">
			<div style="text-align:center"><span style="font-size:28px">0.9474</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; height:28px; text-align:center">
			<div><span style="font-size:28px">20</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center">
			<div><span style="font-size:28px">1</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center; vertical-align:top">
			<div><span style="font-size:28px"><span class="math-tex">\(\frac{1}{19}\)</span></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; height:28px; text-align:center; width:94px">
			<div><span style="font-size:28px">1,0000</span></div>
			</td>
		</tr>
	</tbody>
</table>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#424242">Table1.10</span></strong>&nbsp;<span style="color:#424242">Frequency of Commuting Distances</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<ol style="list-style-type:lower-alpha">
	<li style="text-align:justify">
	<p><span style="font-size:14px">Is the table correct? If it is not correct, what is wrong?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">True or False: Three percent of the people surveyed commute three miles. If the statement is not correct, what should it be? If the table is incorrect, make the corrections.</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">What fraction of the people surveyed commute five or seven miles?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">What fraction of the people surveyed commute 12 miles or more? Less than 12 miles? Between five and 13 miles (not including five and 13 miles)?</span></p>
	</li>
</ol>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">Solution&nbsp;1.19</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<ol style="list-style-type:lower-alpha">
	<li style="text-align:justify">
	<p><span style="font-size:14px">No. The frequency column sums to 18, not 19. Not all cumulative relative frequencies are correct.</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">False. The frequency for three miles should be one; for two miles (left out), two. The cumulative relative frequency column should read: 0.1052, 0.1579, 0.2105, 0.3684, 0.4737, 0.6316, 0.7368, 0.7895, 0.8421, 0.9474, 1.0000.</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px"><span style="color:black">519519</span></span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px"><span style="color:black">719719,&nbsp;12191219,&nbsp;719719</span></span></p>
	</li>
</ol>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">EXAMPLE&nbsp;1.20</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><a href="https://openstax.org/books/introductory-business-statistics/pages/1-3-levels-of-measurement#fs-idm52810848" style="color:blue; text-decoration:underline">Table 1.11</a><span style="color:#424242">&nbsp;contains the total number of deaths worldwide as a result of earthquakes for the period from 2000 to 2012.</span></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify">&nbsp;</p>

<table cellspacing="0" class="Table" style="border-collapse:collapse; border:none; width:900px">
	<thead>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:1px solid black; vertical-align:bottom">
			<div style="text-align:center"><span style="font-size:28px"><strong>Year</strong></span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:1px solid black; vertical-align:bottom">
			<div style="text-align:center"><span style="font-size:28px"><strong>Total number of deaths</strong></span></div>
			</td>
		</tr>
	</thead>
	<tbody>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2000</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">231</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2001</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">21,357</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2002</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">11,685</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2003</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">33,819</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2004</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">228,802</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2005</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">88,003</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2006</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">6,605</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2007</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">712</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2008</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">88,011</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2009</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">1,790</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2010</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">320,120</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2011</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">21,953</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">2012</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">768</span></div>
			</td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">Total</span></div>
			</td>
			<td style="border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none">
			<div style="text-align:center"><span style="font-size:28px">823,856</span></div>
			</td>
		</tr>
	</tbody>
</table>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#424242">Table1.11</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px">Answer the following questions.</span></p>

<ol style="list-style-type:lower-alpha">
	<li style="text-align:justify">
	<p><span style="font-size:14px">What is the frequency of deaths measured from 2006 through 2009?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">What percentage of deaths occurred after 2009?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">What is the relative frequency of deaths that occurred in 2003 or earlier?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">What is the percentage of deaths that occurred in 2004?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">What kind of data are the numbers of deaths?</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">The Richter scale is used to quantify the energy produced by an earthquake. Examples of Richter scale numbers are 2.3, 4.0, 6.1, and 7.0. What kind of data are these numbers?</span></p>
	</li>
</ol>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><span style="font-size:14px"><strong><span style="color:#002060">Solution&nbsp;1.20</span></strong></span></p>

<p style="text-align:justify">&nbsp;</p>

<ol style="list-style-type:lower-alpha">
	<li style="text-align:justify">
	<p><span style="font-size:14px">97,118 (11.8%)</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">41.6%</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">67,092/823,356 or 0.081 or 8.1 %</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">27.8%</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">Quantitative discrete</span></p>
	</li>
	<li style="text-align:justify">
	<p><span style="font-size:14px">Quantitative continuous</span></p>
	</li>
</ol>

<p style="text-align:justify">&nbsp;</p>