The Degrees of Freedom for the T-Test Used to Compare

question 41

True/False

The degrees of freedom for the t-test used to compare two population means (independent samples)with unknown variances (assumed equal)will be n1 + n2 − 2.

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Definitions:

Water

A colorless, tasteless, and odorless substance essential for most plant and animal life and the most widely used solvent.

Solvent

A substance, typically a liquid, capable of dissolving other substances (solutes) to form a solution.

Solute

A material that is dissolved within another material, usually forming the smaller proportion of a solution.

Solution

A homogeneous mixture composed of two or more substances, where the solute is dissolved in the solvent.