Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained.
?
= 12 + 1.8x
?
n = 17
SSR = 225
SSE = 75
sb1= .2683
The t statistic for testing the significance of the slope is
A. 1.80.
B. 1.96.
C. 6.71.
D. .56.
Answer: C
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