You Know That the Probability of Committing a Type II

question 40

Multiple Choice

You know that the probability of committing a Type II error (þ) is 5%, you can tell that the power of the test is

• A) 2.5%.
• B) unknown.
• C) 97.5%.
• D) 95%.

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Definitions:

Test Statistic

A calculated value from sample data used to make decisions about the validity of a hypothesis.

Two-tail Test

A statistical test where the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.

P-value

The probability of observing results as extreme as those observed in a study, under the assumption that the null hypothesis is true.

Null Hypothesis

A hypothesis in statistical analysis that assumes no significant difference or effect exists between specified populations or parameters.