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Suppose the true regression line relating the variables x and y, for values of x between 100 and 200, is y = 75.0 + 3.6x.

a. Find the expected value of Y when x = 150, E(Y | 150).

b. How much change in the dependent variable is expected when x increases by one unit? Justify your answer.

c. Suppose s 5 6. Find the probability that an observed value of Y is less than 500 when x = 120.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92245663

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