A Marketing Study Was Conducted to Compare the Mean Age

question 61

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

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Definitions:

Right-handers

Individuals who predominantly use their right hand for tasks like writing and eating.

Mean Number

The average value obtained by dividing the sum of a set of numbers by the count of numbers in the set.

Random

Lacking any pattern, plan, or purpose; occurring by chance.

Major Earthquake

A major earthquake is a natural disaster characterized by a significant seismic event with a magnitude generally 7.0 or higher on the Richter scale, often causing widespread damage.