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Author Question: Exhibit 12-4Regression analysis was applied between sales data (Y in $1,000s) and advertising data ... (Read 48 times)

blinding37

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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


◦

-0.4364


◦

0.4364


◦

-0.1905


◦

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
Sb1 = 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


◦

$66,000


◦

$5,412


◦

$66


◦

$17,400

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by blinding37 on Mar 25, 2023

saly

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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blinding37

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

pratush dev

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Reply 3 on: Yesterday
Wow, this really help

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