Random Samples of Size 81 Are Taken from an Infinite

question 1

Multiple Choice

Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 45 and 9, respectively. The mean and standard error of the sampling distribution of the sample mean are:

• A)9 and 45.
• B)45 and 9.
• C)81 and 45.
• D)45 and 1.

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Definitions:

Nagging

Persistently annoying or complaining in a repetitive and tiresome manner.

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A dedicated space in a home designed for the use and enjoyment of a child, often equipped with toys, books, and furniture suited to their needs.

Positive Reinforcement

A process in behavior modification where a desirable stimulus is introduced following a behavior, increasing the likelihood of that behavior's recurrence.

Rewarding Stimulus

An object, event, or condition that is desired by an individual or organism, often resulting in positive reinforcement of a behavior.