The T-Test for the Mean Difference Between 2 Related Populations

question 118

Multiple Choice

The t-test for the mean difference between 2 related populations assumes that the respective:

• A) sample sizes are equal.
• B) sample variances are equal.
• C) populations are approximately normal or sample sizes are large.
• D) All of the above

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Definitions:

Frequency Distribution

A tabular or graphical representation showing how often each different value in a set of data occurs.

Jobs

Refers to positions of paid employment or roles within organizations where individuals perform specific tasks in exchange for compensation.

Sample

A sample is a subset of individuals, items, or data taken from a larger population for the purpose of analysis.

Nominal Or Interval

Categories of measurement scales in statistics where nominal involves labeling without a natural order and interval implies ordered categories with meaningful intervals between values.