The Sum of the Squared Deviations from a Population Mean

question 3

Multiple Choice

The sum of the squared deviations from a population mean divided by the population size is the definition for the.

• A)population standard deviation
• B)population variance
• C)sample variance
• D)sample standard deviation

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Definitions:

External Validity

The degree to which the findings of a study can be generalized to other settings, populations, or times.

Data-Gathering Procedures

Methods and techniques used to collect information and data for analysis in research or investigation.

Internal Validity

The extent to which research confirms a reliable cause-and-effect connection between an intervention and its result.

External Validity

How applicable a research study's outcomes are to various scenarios and different populations.