Using the Following Data, the Wilcoxon Signed-Rank Hypothesis Test Is

question 54

Multiple Choice

Using the following data, the Wilcoxon signed-rank hypothesis test is used to test the hypothesis that the test results of a treatment after training are greater than the test results before the treatment. What is the sum of the ranks?

• A) 41
• B) 28
• C) 19 and -7
• D) 6 and 15

---

Definitions:

Brain

The organ located within the skull that is the center of the nervous system in all vertebrates and most invertebrates, responsible for coordinating sensation, intellectual and nervous activity.

Pituitary Gland

A pea-sized gland located at the base of the brain that produces hormones regulating growth, blood pressure, and other important body functions.

Endocrine System

A network of glands in the body that secretes hormones directly into the bloodstream to regulate bodily functions.

Master Gland

A term often used to describe the pituitary gland due to its central role in regulating numerous other endocrine glands in the body.