A Population Is

question 51

Multiple Choice

A population is

• A) the same as a sample.
• B) the selection of a random sample.
• C) the collection of all items of interest in a study.
• D) always the same size as the sample.

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Definitions:

Contingency Table

A type of table in a matrix format that displays the frequency distribution of the variables. It helps in analyzing the relationship between two categorical variables.

Qualitative Variables

Variables that express categorical data, representing types or qualities rather than numbers.

Chi-square Tests

Statistical tests that use the chi-square statistic to test hypotheses about the distribution of categorical variables.

Lower-tailed

Refers to a type of hypothesis test or confidence interval that focuses on determining whether the value of interest is significantly less than a specified value.