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Unformatted text preview: charts, etc., are of extreme importance. In inspection plans
we have to resort to some kind of sampling – a very important
aspect of Statistics.
1.6.2 Statistics and Commerce:
Statistics are lifeblood of successful commerce. Any
businessman cannot afford to either by under stocking or having
overstock of his goods. In the beginning he estimates the demand
for his goods and then takes steps to adjust with his output or
purchases. Thus statistics is indispensable in business and
commerce.
As so many multinational companies have invaded into our
Indian economy, the size and volume of business is increasing. On
one side the stiff competition is increasing whereas on the other
side the tastes are changing and new fashions are emerging. In this
5 connection, market survey plays an important role to exhibit the
present conditions and to forecast the likely changes in future.
1.6.3 Statistics and Agriculture:
Analysis of variance (ANOVA) is one of the statistical
tools developed by Professor R.A. Fisher, plays a prominent role in
agriculture experiments. In tests of significance based on small
samples, it can be shown that statistics is adequate to test the
significant difference between two sample means. In analysis of
variance, we are concerned with the testing of equality of several
population means.
For an example, five fertilizers are applied to five plots each
of wheat and the yield of wheat on each of the plots are given. In
such a situation, we are interested in finding out whether the effect
of these fertilisers on the yield is significantly different or not. In
other words, whether the samples are drawn from the same normal
population or not. The answer to this problem is provided by the
technique of ANOVA and it is used to test the homogeneity of
several population means.
1.6.4 Statistics and Economics:
Statistical methods are useful in measuring numerical
changes in complex groups and interpreting collective
phenomenon. Nowadays the uses of statistics are abundantly made
in any e...
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This note was uploaded on 01/18/2014 for the course BUS 100 taught by Professor Moshiri during the Winter '08 term at UC Riverside.
 Winter '08
 Moshiri
 Business

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