Which of the Following Uses the Chi-Square Distribution

question 29

Multiple Choice

Which of the following uses the Chi-square distribution?

• A)Test of independence between two categorical variables.
• B)Test of a multinomial experiment with one categorical variable.
• C)Test about a single population variance with one numerical variable.
• D)All of these choices are correct.

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Definitions:

Expected Frequency

The theoretical frequency of an event or category estimated from a probability distribution or sample data.

Groups

Sets of subjects or items that are classified together based on shared characteristics or for purposes of an experiment or study.

Total N

The total number of observations, subjects, or participants included in a study or experiment.

Degrees Of Freedom

The number of independent pieces of information on which a statistical estimate is based, minus the number of parameters estimated.