Suppose a Sample of N = 50 Items Is Selected $\mu$

question 17

Multiple Choice

Suppose a sample of n = 50 items is selected from a population of manufactured products and the weight, X, of each item is recorded.Prior experience has shown that the weight has a probabilitydistribution with $\mu$ = 6 ounces and $\sigma$ = 2.5 ounces.Which of the following is true about thesampling distribution of the sample mean if a sample of size 15 is selected?

• A)The mean of the sampling distribution is 6 ounces.
• B)The standard deviation of the sampling distribution is 2.5 ounces.
• C)The shape of the sampling distribution is approximately normal.
• D)All the above are correct.

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Definitions:

Trust

A psychological state comprising the intention to accept vulnerability based upon positive expectations of the intentions or behavior of another.

Intimacy

A close, familiar, and affectionate personal relationship with another person.

Terror-Management Theory

A psychological theory suggesting that the fear of death drives people to adopt worldviews that protect their self-esteem, meaning, and belief in their significance.

Psychological Functions

The various mental activities and processes associated with the mind, including perception, memory, and emotion.