If the Populations Are Normally Distributed but the Population Variances

question 86

True/False

If the populations are normally distributed but the population variances are unknown the t-statistic can be used as the basis for statistical inferences about the difference in two population means using two independent random samples.

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Definitions:

Lay Epistemology

The study of how ordinary people form beliefs, judgments, and knowledge about the world.

Perception

The process of organizing and interpreting sensory information to give it meaning.

Decision

The act of making a choice among available alternatives.

Experiential System

A processing mechanism in the brain that is intuitive, automatic, and based on experiences, as opposed to analytical reasoning.