Wilcoxon Signed Rank Test Quiz

What type of statistical test is the Wilcoxon Signed Rank Test?

• Descriptive test

• Parametric test

• Inferential test

• Nonparametric test

Which of the following is a key assumption of the Wilcoxon Signed Rank Test?

• Data must be nominal

• The differences are symmetrically distributed

• The pairs are independent

• Data must be normally distributed

What does the Wilcoxon Signed Rank Test primarily assess?

• Mode differences

• Variance differences

• Median differences

• Mean differences

In which scenario would you prefer the Wilcoxon Signed Rank Test over the paired t-test?

• When data is ordinal or not normally distributed

• When sample size is large

• When testing independent samples

• When data is normally distributed

What is the first step in conducting the Wilcoxon Signed Rank Test using Method 1?

• Click Run

• Click Analyze

• Select Related Variables

• Choose Nonparametric test

What does a large Z-score in the Wilcoxon Signed Rank Test indicate?

• Inconclusive evidence

• Weak evidence

• No evidence

• Strong evidence

How many students rated face-to-face instruction higher in the example provided?

• 28

• 52

• 0

• 24

What is the primary goal of the example study regarding online vs. face-to-face instruction?

• To compare teaching methods

• To determine clarity ratings

• To assess student performance

• To evaluate instructional materials

Which of the following is NOT a common application of the Wilcoxon Signed Rank Test?

• Before-and-after treatment comparisons

• Comparing independent groups

• Assessing paired observations

• Repeated measures on the same subject

What is the significance level indicated by a p-value of less than 0.001 in the results?

• Marginally significant

• Very significant

• Significant

• Not significant