A lsaulty group wants to determine whether job ratng t) is a usaful linear predi

Question

A lsaulty group wants to determine whether job ratng t) is a usaful linear predictor of raise C east squares, the faculty group obtained the folowing prodction equation. Interpet the estimated slope of the line orsequenty, the group considered the straight-ine regression model Elyi po+Bx Using the methed of 14,000-2,000x 0 A Fora 1-point increase in an administrator's rating, wo estimate For an administrator with arating of 1.0, we @strnet, hisher raise to bo $2.000 administrutor's nsse to n?ease $2.000 ?. O C. For a 1-point increase in an administrator's rating, we estimate the adminstratars aise to decrease $2,000 O D. For a$1 increase in an adinistrators raise we eetmate the administrators ting to dearease 2,000 points.

Explanation / Answer

1) interrpretation of slope: (as it is negative)

option C is correct

2) option B is corect ; No because the test for main effect of medical schools is not significant at alpha =0.05

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