A Discrete Random Variable Has a Countable Number of Distinct

question 15

True/False

A discrete random variable has a countable number of distinct values.

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Definitions:

Pretest

An initial measurement or evaluation performed before an intervention or experiment to establish a baseline.

Posttest

A test given after a particular intervention or period of instruction to measure its effectiveness or outcomes.

Construct Validity

The extent to which a test or instrument measures the theoretical construct it is intended to measure.

Range Restriction

A limitation in the variability of a variable, which can affect the outcome of statistical analyses.