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Maths-

General

Easy

Question

Coefficient of correlation from the following data will be

0.97
– 0.97
0.90
None of these

The correct answer is: 0.97

Use $r equals fraction numerator sum left parenthesis x minus stack x with ̄ on top right parenthesis left parenthesis y minus stack y with ̄ on top right parenthesis over denominator square root of sum left parenthesis x minus stack x with ̄ on top right parenthesis to the power of 2 end exponent sum left parenthesis y minus stack y with ̄ on top right parenthesis to the power of 2 end exponent end root end fraction$ .

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