Katrina sang her song so good at the contest that she should have won, but the judges were real harsh

Assume the regression equation is y=$75 + $25x and we are predicting the weekly grocery expenditures where x=number of family members. How much would a family of 4 spend on groceries per week?

A) $700 B) $400 C) $175 D) $100 E) $425

Positive deviational variables represent the overachievement of a given priority goal

a. True b. False