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Question

Fidnthe coefficient of variation for the following frequency distribution.

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The sum and sum of squared corresponding to length x (in cm) and weight y (in g) of 50 plant products are given below.
50i=1xi=212,50i=1xi=x2i=902.8 and 50i=1yi=261, and 50i=1y2i=1457.6

Which is more varying, the length or weight?

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