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<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image47.png"><img title="image" style="border-right: 0px; border-top: 0px; display: inline; border-left: 0px; border-bottom: 0px" height="233" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb47.png" width="350" border="0" /></a> </p>
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<p> <strong>Problem:</strong> From the following frequency table of expenses incurred by employees of an organization. Calculate&#160; P25, P40 and P75.</p>
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<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image48.png"><img title="image" style="border-right: 0px; border-top: 0px; display: inline; border-left: 0px; border-bottom: 0px" height="66" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb48.png" width="500" border="0" /></a> </p>
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<p> &#160;</p>
<p> <strong>Solution:</strong></p>
<p> <strong></strong></p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image49.png"><img title="image" style="border-right: 0px; border-top: 0px; display: inline; border-left: 0px; border-bottom: 0px" height="194" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb49.png" width="350" border="0" /></a> </p>
<p> &#160;</p>
<h3>25th Percentile (P25) </h3>
<p> In case of frequency distribution 25th percentile can be calculated by using the formula given below:</p>
<p> &#160;</p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image50.png"><img title="image" style="border-right: 0px; border-top: 0px; display: inline; border-left: 0px; border-bottom: 0px" height="353" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb50.png" width="250" border="0" /></a> </p>
<p> &#160;</p>
<h3><strong>40th Percentile (P40)</strong> </h3>
<p> <strong></strong><br />
40th percentile of frequency distribution can be calculated by using the formula given below:</p>
<p> &#160;</p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image51.png"><img title="image" style="border-right: 0px; border-top: 0px; display: inline; border-left: 0px; border-bottom: 0px" height="347" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb51.png" width="250" border="0" /></a> </p>
<p> &#160;</p>
<h3>75th Percentile (75) </h3>
<p>75th percentile of frequency distribution can be calculated by using the formula given below:</p>
<p> &#160;</p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image52.png"><img title="image" style="border-right: 0px; border-top: 0px; display: inline; border-left: 0px; border-bottom: 0px" height="368" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb52.png" width="250" border="0" /></a>
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View Comments
it is very good in explaining about this topic,..and i easily learn oiut of it
Thank you, the topic has helped me alot
How to find percentile using % ?
How about finding of p1 for any given data between number 1-98
Nice write up.It is really self-explanatory.
How about finding P98? Using the formula, we will be able to solve that P98 is the 25.48th item. However, we only have 25 items. How do we compute or explain it? Because we already went beyond the value of n.