The Wilcoxon Signed-Rank Test Is

question 31

Multiple Choice

The Wilcoxon signed-rank test is:

• A)a non-parametric test for examining significant differences between two related samples on a single sample.
• B)a non-parametric test for examining significant differences between repeated measurements on a single sample.
• C)used as an alternative for a paired samples t-test when the population cannot be assumed to be normally distributed.
• D)All of the above.

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Definitions:

Population Parameter

A numeric value that describes a characteristic of the entire population, such as the mean or standard deviation.

Unbiased Estimator

A statistical estimator that, on average, produces values equal to the parameter being estimated.

Population Parameter

A characteristic or measure that describes an aspect of an entire population, such as mean or standard deviation.

Sampling Distribution

A distribution showing the chances of different outcomes for a statistic, which is generated from a significant amount of samples from a certain population.