A Marketing Study Was Conducted to Compare the Variation in the Age

question 43

Multiple Choice

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 Calculate the test statistics that should be used to determine if the variation in the female ages exceeds the variation in the male ages.

• A) F = 1.316
• B) F = 1.264
• C) F = 1.732
• D) F = 1.597

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