As Part of a Large,ongoing Diet Study,some Subjects of the Study

question 57

Multiple Choice

As part of a large,ongoing diet study,some subjects of the study are taking part in an intensive exercise program for four weeks.Several variables are measured on these subjects,both at the beginning and at the end of the four-week period.Some of these variables are weight,cholesterol,and triglyceride level.One objective of this particular study is to assess the effect of diet and intense exercise on increasing triglyceride levels.The data for a simple random sample of nine of these subjects are given in the table below. The data are to be analyzed using the Wilcoxon signed rank test.The null hypothesis is that triglyceride levels have the same distribution at the beginning and at the end of the study.What is the appropriate alternative hypothesis?

• A)Triglyceride levels are systematically higher at the beginning of the study.
• B)Triglyceride levels are systematically higher at the end of the study.
• C)Triglyceride levels at the beginning of the study are systematically different from triglyceride levels at the end of the study.
• D)None of the above

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Definitions:

Sensory Integration

The process by which the brain interprets and organizes sensory information from the body and the environment.

Motor Integration

The coordination of sensory input and motor response, ensuring smooth and purposeful physical movements.

Right Hemisphere

The half of the brain that is typically associated with spatial abilities, face recognition, visual imagery, and music processing, complementing the left hemisphere's functions.

Language Comprehension

The ability to understand spoken, written, or signed language through the processing of words and sentences to derive meaning.