Twelve families have been referred to a counselor, and she has rated each of them on a cohesiveness scale. Also, she has information on family income and the number of children currently living at home. Take family cohesion as the dependent variable.

a. Find the multiple regression equations (unstandardized).
b. What level of cohesion would be expected in a family with an income of $20,000 and 6 children?
c. Compute beta-weights for each independent variable and then compare their relative effect on cohesion. Which was the more important factor?
d. Compute R and R2.

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Cohesion Number of Family Score Income Children 10 10 30,000 70,000 35,000 25,000 55,000 40,000 60,000 30,000 50,000 25,000 45,000 50,000 0 3 0 2 3 3 4 0