An analyst used the regression line for the data to the right to predict the ann

Question

An analyst used the regression line for the data to the right to predict the annual salary for a registered nurse with 28 years of experience. Is this a valid prediction? Explain your reasoning. A. No, the prediction is not meaningful because x = 28 is outside the range of the original data set. B. Yes, the prediction is meaningful because x = 28 is not part of the original data set. C. Yes the prediction is meaningful because x = 28 makes sense in the context of the original data set. D. No, the prediction is not meaningful because the regression line may not be used to generate meaningful predictions.

Explanation / Answer

The prediction is doubtful because a straight line does not seem to be a good fit for the data.

So the correct answer is:

(d) No, the prediction is not meaningful because the regression line may not be used to generate meaningful predictions.

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