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Author Question: A marketing study was conducted to compare the variation in the age of male and female purchasers of ... (Read 120 times)

jazziefee

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on: Feb 14, 2020
A marketing study was conducted to compare the variation in the 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. The sample data is shown here:

Female:   n = 31,    sample mean = 50.30,    sample standard deviation = 13.215
Male:       n = 21,    sample mean = 39.80,    sample standard deviation = 10.040

Identify the rejection region to that should be used to determine if the variation in the female ages exceeds the variation in the male ages when testing at α = 0.05.
◦ F > 2.12
◦ F > 1.74
◦ F > 2.04
◦ F > 1.93
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by jazziefee on Feb 14, 2020

mathjasmine

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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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jazziefee

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Reply 2 on: Feb 14, 2020
:D TYSM

ttt030911

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

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