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Author Question: In order to estimate the difference between the yearly incomes of marketing managers in the East and ... (Read 83 times)

bvyeehaw

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on: Mar 25, 2023

In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered.

East

West

n1 = 40n2 = 45
= 72 (in $1,000) = 78 (in $1,000)
s1 = 6 (in $1,000)s2 = 8 (in $1,000)


a.Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West.  Use α = 0.05.
b.At 95% confidence, use the p-value approach and test to determine if the average yearly income of marketing managers in the East is significantly different from the West.

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

sin

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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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bvyeehaw

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

alvinum

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Reply 3 on: Yesterday
Wow, this really help

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