The Population Variance Is a Measure of _________

question 9

Multiple Choice

The population variance is a measure of _________.

• A) central tendency.
• B) dispersion.
• C) location.
• D) degrees of freedom.

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Definitions:

Randomization

A process in experimental design to ensure every participant has an equal chance of being assigned to any group, reducing bias.

Extraneous Factors

Variables that are not of interest in a study but could affect its outcome.

Experimental Units

Experimental units are the smallest divisions of the experimental subjects that can be independently assigned to treatment groups in a study.

Two-factor ANOVA

A statistical method used to analyze the effects of two independent variables on a single continuous dependent variable, allowing interaction effects to be studied.