A Test Has Power 0

question 54

True/False

A test has power 0.95 when ų₁ = 19. True or false: the probability of making a correct decision when ų₁= 19 is 0.95.

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Definitions:

Kruskal-Wallis Test

A nonparametric statistical test used to determine if there are statistically significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.

Wilcoxon Rank-sum Test

A nonparametric statistical test used to compare two independent samples to assess whether their population mean ranks differ.

Statistical Populations

A set of similar items or events which is of interest for some question or experiment.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess differences.