Mary used a sample of 68 large U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median annual income per capita, in dollars). Her estimated regression equation was Crime = 428 + 0.050 Income. If Income decreases by 1000, we would expect that Crime will:
A)increase by 428.
B)decrease by 50.
C)increase by 500.
D)remain unchanged.

Question

Quizplus · Accepted Answer

According to the estimated regression equation, for every $1,000 decrease in income, Crime is expected to decrease by 0.05 x 1000 = 50.

Mary Used a Sample of 68 Large U