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Author Question: The owner of a retail store randomly selected the following weekly data on profits and advertising ... (Read 8 times)

erikka246

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on: Mar 25, 2023

The owner of a retail store randomly selected the following weekly data on profits and advertising cost.

 

Week

Advertising Cost ($)

Profit ($)

1

    0

200

2

50

270

3

250

420

4

150

300

5

125

325


 

a.Write down the appropriate linear relationship between advertising cost and profits. Which is the dependent variable? Which is the independent variable?
b.Calculate the least squares estimated regression line.
c.Predict the profits for a week when $200 is spent on advertising.
d.At 95% confidence, test to determine if the relationship between advertising costs and profits is statistically significant.
e.Calculate the coefficient of determination.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by erikka246 on Mar 25, 2023

jamezpowell

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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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erikka246

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

ebonylittles

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Reply 3 on: Yesterday
Excellent

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