Question

Exhibit 12-3 Regression analysis was applied between sales data (in $1,000s) and advertising data (in $100s), and the following information was obtained. yhat = 12 + 1.8x n = 17 SSR = 225 SSE = 75 sb1 = 0.2683 Refer to Exhibit 12-3. The F statistic computed from the above data is a. 3 b. 45 c. 48 d. Not enough information is given to answer this question. Refer to Exhibit 12-3. The critical F value at α = 0.05 is a. 3.59 b. 3.68 c. 4.45 d. 4.54 3. Refer to Exhibit 12-3. The t statistic for testing the significance of the slope is a. 1.80 b. 1.96 c. 6.709 d. 0.555 4. Refer to Exhibit 12-3. Using α = 0.05, the critical t value for testing the significance of the slope is a. 1.753 b. 2.131 c. 1.746 d. 2.120

          Exhibit 12-3
Regression analysis was applied between sales data (in $1,000s) and advertising data (in $100s), and the following information was obtained.

yhat = 12 + 1.8x

n = 17

SSR = 225

SSE = 75

sb1 = 0.2683

Refer to Exhibit 12-3. The F statistic computed from the above data is

a. 3

b. 45

c. 48

d. Not enough information is given to answer this question.

Refer to Exhibit 12-3. The critical F value at α = 0.05 is

a. 3.59

b. 3.68

c. 4.45

d. 4.54

3. Refer to Exhibit 12-3. The t statistic for testing the significance of the slope is

a. 1.80

b. 1.96

c. 6.709

d. 0.555

4. Refer to Exhibit 12-3. Using α = 0.05, the critical t value for testing the significance of the slope is

a. 1.753

b. 2.131

c. 1.746

d. 2.120

Added by Leslie A.

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