According to a Survey, the Mean Height for Men Is $\bar { x } = 68.5$

question 42

Multiple Choice

According to a survey, the mean height for men is 68.6 inches. In a sample of 320 men between the ages of 60 and 69 , the mean height was $\bar { x } = 68.5$ inches. Public health officials want to determine whether the mean height $\mu$ for older men is less than the mean height of all adult men. Assuming the population standard deviation to be $\sigma = 2.85$ inches, compute the value of the test statistic.

• A) 0.74
• B) 429.95
• C) -0.63
• D) 0.63

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Definitions:

Genetic Factors

Elements within an organism's genes that influence its physical and behavioral traits, inherited from its parents.

Environmental Influences

Factors external to the individual, such as cultural, social, and physical factors, that impact behavior and development.

Homosexuality

Sexual attraction, orientation, or behavior between members of the same sex or gender.

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Educators employed by government-controlled institutions to provide instruction in various subjects to students at the elementary, middle, and high school levels.