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Select the most appropriate response. A university statistician found that the c

ID: 3154829 • Letter: S

Question

Select the most appropriate response.

A university statistician found that the correlation between college GPA and starting salary was 0.12. On the basis of this you would tell the university that:

GPA is a good predictor of starting salary.

students with low GPA’s will have the lowest starting salaries.

GPA is a poor predictor of starting salary.

students with high GPA’s will have the highest starting salaries.

GPA is a good predictor of starting salary.

students with low GPA’s will have the lowest starting salaries.

GPA is a poor predictor of starting salary.

students with high GPA’s will have the highest starting salaries.

Explanation / Answer

THe conclusion is: GPA is a poor predictor of starting salary .

As, the correlation coefficient is small as 0.12 .

That is as a single predictor of starting salary, GPA can explain only (0.12)2 = 0.0144 ( < 0.1 or 1% ) proportion of variation in starting salary .

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