For a Given Sample Size N, If the Level of Significance

question 131

Multiple Choice

For a given sample size n, if the level of significance ( $\alpha$ ) is decreased, the power of the test

• A)will increase.
• B)will decrease.
• C)will remain the same.
• D)cannot be determined.

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Definitions:

Standard Score

A score that has been transformed to fit a normal distribution, typically with a mean of 0 and a standard deviation of 1, allowing for comparison across different tests or assessments.

Percentile

A measure used in statistics indicating the value below which a given percentage of observations in a group of observations falls.

Z-score

A statistical measure that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.

Variability

A quantitative measure that describes the degree to which scores in a distribution are spread out or clustered together.