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What Do We Mean When We Say That a Simple Yˉ\bar { Y }

Question 21

Multiple Choice

What do we mean when we say that a simple linear regression model is 'statistically' useful?


A) The model is 'practically' useful for predicting Y.
B) The model is an excellent predictor of Y.
C) All the statistics computed from the sample make sense.
D) The model is a better predictor of Y than the sample mean, Yˉ\bar { Y } .

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