A Marketing Study Was Conducted to Compare the Mean Age

question 60

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. It was desired to test to determine if the mean age of all female purchasers exceeds the mean age of all male purchasers. The sample data is shown here: Female: n = 20, sample mean = 50.30, sample standard deviation = 13.215 Male: n = 20, sample mean = 39.80, sample standard deviation = 10.040 Use the pooled estimate of the population standard deviation to calculate the value of the test statistic to use in this test of hypothesis.

• A) t = 2.17
• B) t = 2.65
• C) t = 2.83
• D) t = 3.17

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Definitions:

Nonverbal Communication

The transmission of information or feelings without the use of spoken words, using gestures, facial expressions, and body language instead.

Paralanguage

Non-verbal elements of communication used to modify meaning and convey emotion, such as tone of voice, loudness, and pitch.

Voice Mail Techniques

Strategies or methods used to effectively communicate and manage messages through a voice mail system.

Professional Talking

The use of formal and industry-specific language in a business setting.