The Different Statistics We Use to Tell Us About Variance

question 8

True/False

The different statistics we use to tell us about variance and error have different capabilities,particularly in regard to their accuracy and ability to withstand problems in the data.

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Definitions:

Volunteer Bias

The tendency for volunteers, such as in research studies, to differ from the general population in significant ways, potentially skewing results.

Random Sampling

A method of selecting a sample from a population in which every individual has an equal chance of being chosen.

Correlation Coefficient

A number between −1.00 and +1.00 that indicates the direction (negative or positive) and extent (from none to perfect) of the relationship between two variables.

Independent Variable

In research, this is the condition or factor that is intentionally changed to observe its impact on an outcome.