Exhibit 14-4 Regression Analysis Was Applied Between Sales Data (Y in $1,000s)

question 81

Multiple Choice

Exhibit 14-4
Regression analysis was applied between sales data (Y in $1,000s) and advertising data (x in $100s) and the following information was obtained. = 12 + 1.8 x
n = 17
SSR = 225
SSE = 75
S_b1 = 0.2683
-Refer to Exhibit 14-4. The critical t value for testing the significance of the slope at 95% confidence is

• A)1.753
• B)2.131
• C)1.746
• D)2.120

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