Illustration 15.37. You are given the following data: y 85 Arithmatic mean 36 S.D. 11 8 Coefficient of correlation = 0.66. (1) Find the two regression equations. (ii) Estimate the value of r when v= 75

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Illustration 15.37. You are given the following data:
y
85
Arithmatic mean
36
S.D.
11
Coefficient of correlation = 0.66.
(i) Find the two regression equations.
(ii) Estimate the value of x when y = 75.
Transcribed Image Text:Illustration 15.37. You are given the following data: y 85 Arithmatic mean 36 S.D. 11 Coefficient of correlation = 0.66. (i) Find the two regression equations. (ii) Estimate the value of x when y = 75.
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