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The sum and sum of squares corresponding...

The sum and sum of squares corresponding to length x (in cm) and weighty (k. gm) of 50 plant products are given below:
`sum_(i=1)^(50) x_(i) = 212 , sum_(i=1)^(50) x_(i)^(2)=902.8 , sum_(i=1)^(50) y^(i)=261 , sum_(i=1)^(50) y_(i)^(2)=1457.6`
Which is more varying , the length or weight ?

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The correct Answer is:
weight
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