Author Question: Exhibit 12-4Regression analysis was applied between sales data (Y in $1,000s) and advertising data ... (Read 67 times)

blinding37 · **on:** Mar 25, 2023

Question 1

Exhibit 12-3
You are given the following information about y and x.

y Dependent Variable	x Independent Variable
12	4
3	6
7	2
6	4

Refer to Exhibit 12-3. The coefficient of determination equals

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-0.4364

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0.4364

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-0.1905

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0.1905

Question 2

Exhibit 12-4
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 12-4. Based on the above estimated regression equation, if advertising is $3,000, then the point estimate for sales (in dollars) is

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$66,000

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$5,412

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$66

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$17,400

saly · **Reply #1 on:** Mar 25, 2023

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