# Question

In a simple linear regression, the following information is given:

= -25; = 56; Σ (xi -) (yi -) = -866 ; Σ(xi -)2 = 711

a. Calculate b1.

b. Calculate b0.

c. What is the sample regression equation? Predict y if x equals −20.

= -25; = 56; Σ (xi -) (yi -) = -866 ; Σ(xi -)2 = 711

a. Calculate b1.

b. Calculate b0.

c. What is the sample regression equation? Predict y if x equals −20.

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