The Whole Point of Using One of the Various Experimental

question 64

Multiple Choice

The whole point of using one of the various experimental designs is to

• A) create equivalent groups of subjects
• B) randomize the alpha error
• C) prevent any sampling error
• D) prevent any possibility of alpha error

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Definitions:

Probability

A measure of the likelihood or chance that a particular event will occur, expressed as a number between 0 and 1.

Sample Mean

The average of all observations or data points in a sample, used as an estimate of the population mean.

Population Mean

The average of all observations or values in a total population, representing the central value around which the figures in the population distribute.

Sample Statistic s

Calculated value (such as mean or standard deviation) from a sample of data, used to infer characteristics of the entire population.