William used a sample of 68 U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median income per capita). His estimated regression ...
... equation was Crime = 428 .050 Income.
Assuming b1 is significant, if Income decreases by 1000 we would predict that Crime will __________.
A. decrease by 50
B. increase by 428
C. increase by 50
D. increase by 500
iIf Income decreases by 1000, Crime will be decreased by 50
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