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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 118 times)

jazziefee

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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


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Marked as best answer by jazziefee on Feb 14, 2020

mathjasmine

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jazziefee

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Reply 2 on: Feb 14, 2020
Gracias!


Kedrick2014

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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