The Reason for Using the T-Distribution in a Hypothesis Test

question 106

Multiple Choice

The reason for using the t-distribution in a hypothesis test about the population mean is:

• A) the population standard deviation is unknown.
• B) it results in a lower probability of a Type I error occurring.
• C) it provides a smaller critical value than the standard normal distribution for a given sample size.
• D) the population is not normally distributed.

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Definitions:

Dispositional Factors

Personality attributes or traits that influence an individual's behavior or attitudes in various situations.

Situational Constraints

External factors that limit or influence an individual's ability to perform or behave in a certain way.

Divided Nation

A term used to describe a country that is split due to significant differences in opinions, beliefs, or values among its population.

Americans

Individuals originating from or holding citizenship in the United States of America.