The Wilcoxon Signed Rank Test Statistic Is Approximately Normally Distributed

question 159

Multiple Choice

The Wilcoxon signed rank test statistic is approximately normally distributed whenever the number n of nonzero differences in the sample is larger than:

• A)10
• B)20
• C)5
• D)15

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Definitions:

Neuron

One of billions of nerve cells in the central nervous system, especially in the brain.

Dendrites

The branched extensions of a neuron that receive signals from other neurons.

Sensory System

The part of the nervous system responsible for processing sensory information received from the environment.

Stimulus

Any event or situation that evokes a response from an organism.