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<p align="justify">In case of unweighted average of relatives, price relative of each commodity is first calculated and then average (mean, median or geometric mean) of these price relatives for all the commodities is taken. average of relatives can be calculated by taking arithmetic mean, geometric mean or median as average. Therefore there is a slight difference between the formulas depending upon the type of average used. Different formulas for the calculation of unweighted average of relatives are given below.</p>
<p align="justify">&#160;</p>
<p align="justify">&#160;<strong>Unweighted Average of Relatives Index (Mean)</strong></p>
<p align="justify">&#160;</p>
<p align="justify"><a href="http://mba-lectures.com/wp-content/uploads/2010/06/image124.png"><img style="border-right-width: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px" title="image" border="0" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb124.png" width="190" height="63" /></a></p>
<p align="justify">&#160;</p>
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<p align="justify"><strong>Unweighted Average of Relatives Index (Median)</strong></p>
<p align="justify">&#160;</p>
<p align="justify"><a href="http://mba-lectures.com/wp-content/uploads/2010/06/image125.png"><img style="border-right-width: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px" title="image" border="0" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb125.png" width="170" height="49" /></a></p>
<p align="justify">&#160;</p>
<p align="justify"><strong>Problem:</strong> Calculate price relatives or simple price index for the following data taking 1980 as base, using</p>
<ul>
<li>
<div align="justify">Arithmetic Mean as average </div>
</li>
<li>
<div align="justify">Median as average </div>
</li>
<li>
<div align="justify">Geometric Mean as average </div>
</li>
</ul>
<p> &#160;</p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image126.png"><img style="border-right-width: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px" title="image" border="0" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb126.png" width="450" height="172" /></a></p>
<p> &#160;</p>
<h3>Arithmetic Mean as average</h3>
<p align="justify">unweighted average of relatives is calculated by using the formula of taking mean as average. This calculation is shown in the table given below.</p>
<p> &#160;</p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image127.png"><img style="border-right-width: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px" title="image" border="0" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb127.png" width="500" height="300" /></a></p>
<p> &#160;</p>
<h3>Median as average</h3>
<p align="justify">
Median of the arranged data having odd number of observations can be calculated by using the formula:</p>
<p> &#160;</p>
<p> <a href="http://mba-lectures.com/wp-content/uploads/2010/06/image128.png"><img style="border-right-width: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px" title="image" border="0" alt="image" src="http://mba-lectures.com/wp-content/uploads/2010/06/image_thumb128.png" width="200" height="47" /></a></p>
<p> &#160;</p>
<p> The calculation of price relatives for taking median as average is given as:
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View Comments
what is *m in antilog formula
equal to the mean usage, m=no of commodities
heplfull but not that informative