In General,a Directional Test Will Always Be More Powerful Than

question 24

True/False

In general,a directional test will always be more powerful than a corresponding nondirectional test if the actual population mean and the hypothesized population mean differ in the specified direction.

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Definitions:

P-Value

The likelihood of achieving outcomes in a test that are at least as significant as those observed, under the assumption that the null hypothesis holds true.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.

Level Of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a threshold for determining the statistical significance.

Rejection Region

The range of values for which we reject the null hypothesis in hypothesis testing.