When Testing for the Difference Between 2 Population Variances with Sample

question 40

Multiple Choice

When testing for the difference between 2 population variances with sample sizes of n1 = 8 andn2 = 10, where n1 has the larger variance, the number of degrees of freedom are

• A)8 and 10.
• B)7 and 9.
• C)18.
• D)16.

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Definitions:

Representative Sample

A subset of a population that accurately reflects the members of the entire population.

Single-Blind Study

A study design where the participants do not know which group they belong to (control or experimental) to prevent bias, but the researchers do.

Naturalistic Observation

A research method that involves observing subjects in their natural environment without intervention.

Laboratory Observation

A descriptive research method in which behavior is studied in a laboratory setting.