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The sum and sum of squares corresponding...

The sum and sum of squares corresponding to length x (in cm) and weight y (in plant products are given below: `underset(i=1)overset(50)Sigma x_(i)=212,underset(i=1)overset(50)Sigmax_(i)^(2)=902.8,underset(i=1)overset(50)Sigmay_(i)=261,underset(i=1)overset(50)Sigmay_(i)^(2)=1457.6`
Which is more varying, the lengths or weight?

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26.43
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The sum and sum of squares corresponding to length x (in cm) and weight y (in 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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