Q5 The following results were obtained with respect to two variables x and y : ∑x = 30, ∑y = 42, ∑xy = 199, ∑x² = 184, ∑x² = 318, n = 6, Find the following :
(i) the regression coefficients.
(ii) correlation coefficient between x and y.
(iii) the regression equation of y on x.
(iv) the likely value of y when x = 10.

Solution

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