Random Samples of Size 81 Are Taken from a Process

question 38

Multiple Choice

Random samples of size 81 are taken from a process (an infinite population) whose mean and standard deviation are 200 and 18, respectively. The distribution of the population is unknown. The mean and the standard error of the distribution of sample means are _____.

• A) 200 and 18
• B) 81 and 18
• C) 9 and 2
• D) 200 and 2

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Definitions:

Matching Hypothesis

The notion that people tend to have lovers or spouses who are similar to themselves in physical attractiveness and other assets.

Conformity

is the act of matching attitudes, beliefs, and behaviors to group norms, policies, or societal expectations.

Social Facilitation

The phenomenon that people tend to perform simple tasks better, or complex tasks worse, in the presence of others due to increased arousal.

Depersonalization

Depersonalization is a dissociative disorder where individuals feel detached from their own thoughts, feelings, or body, experiencing a sense of being an outside observer to themselves.