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
Answer: c
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
Answer: c