Question: In the simple linear regression model for a population, the relationship between the x variable and the mean of the y variable is E(Y) 5

In the simple linear regression model for a population, the relationship between the x variable and the mean of the y variable is E(Y) 5 b0 1 b1x.

a. Suppose b1 5 0. What would be the appearance of this line? Draw a sketch illustrating your answer.

b. Explain how the answer to part

(a) illustrates the lack of a linear relationship between x and y

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