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Author Question: In order to estimate the difference between the average daily sales of two branches of a department ... (Read 89 times)

jlbond23

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on: Mar 25, 2023

In order to estimate the difference between the average daily sales of two branches of a department store, the following data has been gathered.

 Downtown StoreNorth Mall Store
Sample sizen1 = 23 daysn2 = 26 days
Sample mean (in $1,000) = 37 = 34
Sample standard deviation (in $1,000)S1 = 4S2 = 5


a.Determine the point estimate of the difference between the means.
b.Determine the degrees of freedom for this interval estimation.
c.Compute the margin of error.
d.Develop a 95% confidence interval for the difference between the two population means.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by jlbond23 on Mar 25, 2023

bmac98

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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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jlbond23

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

Sarahjh

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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