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Author Question: Exhibit 10-6The management of a department store is interested in estimating the difference between ... (Read 73 times)

hannahmadyronde

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on: Mar 25, 2023

Exhibit 10-6
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card. You are given the following information.

 

 

Store's Card

Major Credit Card

Sample size

64

49

Sample mean

$140

$125

Population standard deviation

$10

$8


Refer to Exhibit 10-6. A 95% confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is


◦

49 to 64


◦

11.68 to 18.32


◦

125 to 140


◦

8 to 10

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

kaelamcrone

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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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hannahmadyronde

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

billybob123

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Reply 3 on: Yesterday
:D TYSM

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