A Marketing Study Was Conducted to Compare the Mean Age

Multiple Choice

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. What type of analysis should be used to compare the mean age of male and female purchasers?

A) A paired difference comparison of population means.
B) An independent samples comparison of population proportions.
C) A test of a single population mean.
D) An independent samples comparison of population means. 9.2 Comparing Two Population Means: Independent Sampling
1 Understand Process of Comparing Two Independent Means