The Wilcoxon Signed-Rank Test Is Used to Test Which of the Following

question 6

Multiple Choice

The Wilcoxon signed-rank test is used to test which of the following types of hypotheses?

• A) It is used to test hypotheses involving the median of paired samples.
• B) It is used to test hypotheses involving three or more population medians.
• C) It is used to test hypotheses involving the variances of two or more populations.
• D) It is used to test hypotheses involving the variances of paired samples.
• E) It is used to test hypotheses involving two or more population proportions.

---

Definitions:

Sales in Units

The total number of individual items sold by a company, as distinguished from sales measured in currency.

Indirect Costs

Expenses that are not directly traceable to a specific product or process, such as utilities or administrative salaries.

Contribution Margin

is the amount of revenue left after deducting variable costs, which can be used to cover fixed costs and contribute to profits.

Variable Cost Per Unit

The cost that changes with the level of output or sales, calculated on a per-unit basis.