The Homogeneity of Variance Assumption for the Independent Samples T

question 41

Multiple Choice

The homogeneity of variance assumption for the independent samples t test requires that

• A) the population variances of the dependent variable be approximately equal.
• B) the population variances of the independent variable be approximately equal.
• C) the sample sizes for the two groups be equal.
• D) the dependent variable be normally distributed in the population.

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Definitions:

Driving Conditions

Various factors that can affect driving, such as weather, road surface, traffic, and the vehicle's condition.

Dead Axles

Axles that are mounted on a vehicle but do not transmit driving power; they serve mainly for supporting weight and allowing wheels to rotate.

Lift Axles

Lift axles are additional axles on vehicles that can be lowered to the ground to support increased weight or raised to minimize wear when not needed.

Tag Axles

Additional axles positioned behind the drive axles of heavy trucks or trailers to support more weight and improve stability.