A Random Sample of 20 U

question 63

Multiple Choice

A random sample of 20 U.S.adults finds they have an average height of 170.12 cm with sample standard deviation 9.8 cm.Find the TS, p-value, and decision for testing whether the average height of an American adult differs from 175 cm using a 0.05 level of significance.

• A) TS = -2.23; p-value = 0.0380; fail to reject H₀
• B) TS = -2.23; p-value = 0.0190; reject H₀
• C) TS = 2.23; p-value = 0.0380; reject H₀
• D) TS = -2.23; p-value = 0.0380; reject H₀

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Definitions:

Internalized Attitudes

Personal views and feelings that individuals have deeply incorporated into their belief systems, often influencing their behavior unconsciously.

Ethical

Pertaining to or dealing with morals, the principles of morality pertaining to right and wrong conduct.

Moral

Pertaining to principles or rules of right conduct or the distinction between right and wrong; ethical.

Emotional Maturity

The ability to understand, manage, and express one's emotions effectively and appropriately.