Author Question: A marketing study was conducted to compare the variation in the age of male and female purchasers of ... (Read 36 times)

jazziefee · **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

mathjasmine · **Reply #1 on:** Feb 14, 2020

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