If We Are Testing for the Difference Between the Means

question 232

Multiple Choice

If we are testing for the difference between the means of 2 independent populations presuming equal variances with samples of n1 = 20 and n2 = 20, the number of degrees of freedom is equal to

• A)39.
• B)38.
• C)19.
• D)18.

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Definitions:

Aggressive Behavior

Actions that can cause physical or emotional harm to others, or the intention to dominate, hurt or damage something or someone.

Social Skills

The ability to interact effectively with others in various social contexts.

Behavioral/social Learning

The process by which behaviors are acquired or modified through interactions with the environment and observation of others.

Model Appropriate Behavior

Demonstrating behavior that is considered correct or suitable in a particular context, often for the purpose of teaching.