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regression

Asked by jaishreepatidar2 | 18 Dec, 2022, 02:59: PM

Expert Answer

To find the coefficient correlation between x and y

C o r r e l a t i o n space c o e f f i c i e n t space b e t w e e n space x space a n d space y space i s space g i v e n space b y left parenthesis r right parenthesis equals fraction numerator begin display style sum for blank of end style x y minus begin display style fraction numerator begin display style stack left parenthesis sum x with blank below end style right parenthesis left parenthesis sum for blank of y right parenthesis over denominator N end fraction end style over denominator square root of sum for blank of x squared minus begin display style open parentheses sum for blank of x close parentheses squared over N end style end root square root of sum for blank of y squared minus open parentheses sum for blank of y close parentheses squared over N end root end fraction equals fraction numerator 526 minus begin display style fraction numerator 37 cross times 74 over denominator 6 end fraction end style over denominator square root of 263 minus begin display style left parenthesis 37 right parenthesis squared over 6 end style end root square root of 1049 minus begin display style left parenthesis 74 right parenthesis squared over 6 end style end root end fraction

Answered by Renu Varma | 22 Dec, 2022, 02:11: PM

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