One Sample with N = 4 Scores Has a Mean

question 36

Multiple Choice

One sample with n = 4 scores has a mean of M = 12,and a second sample with n = 6 scores has a mean of M = 8.If the two samples are combined,what is the mean for the combined set of scores?

• A)4.8
• B)9.6
• C)10.0
• D)19.2

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Definitions:

Naturalistic Observation Method

A research methodology where subjects are observed in their natural environment without any manipulation by the observer.

Careful Surveillance

The meticulous observation or monitoring of behaviors, activities, or information for the purpose of influence, management, or protection.

Psychological Testing

Psychological testing involves the use of standardized tests to evaluate an individual's cognitive, emotional, and psychological functioning.

Interviews

A method of gathering information by asking questions orally, used in various contexts including research, journalism, and employment.