If the relationship between the two
variables x and y is given by 2x + 3y +
4 = Othen the value of correlation
coef

Question

If the relationship between the two
variables x and y is given by 2x + 3y +
4 = Othen the value of correlation
coefficient between x and y is
0
-1
negative​

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Allison 4 months 2021-07-18T22:46:52+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-07-18T22:48:00+00:00

    Answer:

    y = -2/3 x – 4/3 .. (1) which is regression equation of y on x and

    x = -3/2 y -2 …(2) which is regression of x on y. From (1), regression coefficient of y on x i.e. b (yx) = -2/3 & from (2) regression coefficient of x on y i.e. b (xy) = -3/2

    We know, b(yx) * b (xy) = r^2 where r is the correlation coefficient of x & y. Hence r^2 = 1 Or, r = +/ – 1

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