A study was conducted to examine those variables thought to be related to the job satisfaction of nonprofessional hospital employees. A random sample of 15 employees gave the following results:

Coded Index of Score on Job Intelligence Personal Satisfaction Score Adjustment Test (Y) (X1) (X2)

54 15 8 37 13 1 30 15 1 48 15 7 37 10 4 37 14 2 31 8 3 49 12 7 43 1 9 12 3 1 30 15 1 37 14 2 61 14 10 31 9 1 31 4 5

(a) Find the multiple regression equation describing the relationship among these variables.

(b) Compute the coefficient of multiple determination and do an analysis of variance.

(c) Let and and find the predicted value of Y.