If We Are Testing the Difference Between the Means of Two

question 44

Multiple Choice

If we are testing the difference between the means of two normally distributed independent populations with samples of n₁ = 10, n₂ = 10, the degrees of freedom for the t statistic is ________.

• A) 19
• B) 18
• C) 9
• D) 8
• E) 20

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Definitions:

Generalizable

The extent to which research findings from a study can be applied to broader populations or different contexts.

Friends Recommend

The process of suggesting services, products, or behaviors to others based on personal experience or satisfaction.

Random Sampling

A technique for selecting a sample of participants for a study where each member of the population has an equal chance of being chosen.

Research Project

A structured academic or professional investigation aimed at discovering new information or understanding existing phenomena.