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Author Question: A marketing study was conducted to compare the mean age of male and female purchasers of a certain ... (Read 121 times)

nummyann

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on: Feb 14, 2020
A marketing study was conducted to compare the mean age of male and female purchasers of a certain product. Random and independent samples were selected for both male and female purchasers of the product. It was desired to test to determine if the mean age of all female purchasers exceeds the mean age of all male purchasers. The sample data is shown here:

Female:   n = 20,    sample mean = 50.30,    sample standard deviation = 13.215
Male:       n = 20,    sample mean = 39.80,    sample standard deviation = 10.040

Suppose the test statistic was calculated to be the value, t = 2.83. Use the rejection region to state the correct conclusion when testing at alpha = 0.05.
◦ We accept H0.
◦ We fail to reject H0.
◦ We reject H0.
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by nummyann on Feb 14, 2020

Athena23

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Reply #1 on: Feb 14, 2020
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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nummyann

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Reply 2 on: Feb 14, 2020
YES! Correct, THANKS for helping me on my review

ebonylittles

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Reply 3 on: Yesterday
:D TYSM

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