The Critical Value in a Hypothesis Test

question 46

Multiple Choice

The critical value in a hypothesis test:

• A)is a test statistic calculated from the sample.
• B)is a contradictory result from a different test.
• C)is a cutoff between the rejection and nonrejection regions.
• D)is another name for level of significance.

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Definitions:

Statistical Tests

Procedures used in statistics to determine whether hypotheses about the distribution of data can be rejected, based on sample data.

Sample Size

The number of observations or subjects included in a study.

Effect Size

A quantitative measure of the magnitude of a phenomenon, used to indicate the size of an effect or difference found in a study.

Type I Error

The incorrect rejection of a true null hypothesis, or a "false positive," in hypothesis testing, indicating that the test suggests an effect that does not actually exist.