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

jlol3

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on: Mar 25, 2023

Question 1

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
Sb1 = 0.2683


Refer to Exhibit 12-4. The t statistic for testing the significance of the slope is


◦

1.80


◦

1.96


◦

6.708


◦

0.555



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
Sb1 = 0.2683


Refer to Exhibit 12-4. The critical t value for testing the significance of the slope at 95% confidence is


◦

1.753


◦

2.131


◦

1.746


◦

2.120

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by jlol3 on Mar 25, 2023

Kevin5!

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Reply #1 on: Mar 25, 2023
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jlol3

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Reply 2 on: Mar 25, 2023
Wow, this really help

ttt030911

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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