Question: 13.62 Softball data Refer to the Softball data set on the books website. Regress the difference (DIFF) between the number of runs scored by that

13.62 Softball data Refer to the Softball data set on the book’s website. Regress the difference (DIFF) between the number of runs scored by that team and by the other team on the number of hits (HIT) and the number of errors (ERR).

a. Report the prediction equation, and interpret the slopes.

b. From part

a, approximately how many hits does the team need so that the predicted value of DIFF is positive

(corresponding to a predicted win) if they can play error-free ball 1ERR = 02?

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