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:

General "Depression"

A common mental health disorder characterized by persistent sadness, loss of interest in activities, and an inability to carry out daily tasks.

Manic Episode

A period of abnormally elevated or irritable mood, arousal, and/or energy levels, frequently found in bipolar disorder.

Energetic

Having or showing vitality and a high level of energy or enthusiasm.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse from one neuron to another target neuron.