In a Study to Investigate the Effect of Diet on Reducing

question 54

Multiple Choice

In a study to investigate the effect of diet on reducing cholesterol levels,a random sample of five subjects known to have high cholesterol had their cholesterol measured at the beginning of the study and after 6 months on a special diet.The data are given in the table below. The data are to be analyzed using the Wilcoxon signed rank test.What is the observed value of W⁺?

• A)7.5
• B)13
• C)21
• D)34

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Definitions:

Clinical Evidence

Data and findings from medical research studies that support the safety and efficacy of healthcare practices and interventions.

Ineffective Breathing Pattern

A condition characterized by a lack of sufficient oxygen intake or ineffective expulsion of carbon dioxide, which can disrupt normal respiratory function.

Fowlers Position

A semi-upright sitting position used in medical settings, where the patient's head and trunk are raised 45 to 60 degrees, beneficial for breathing and certain medical conditions.

Arterial Blood Gas

A test that measures the acidity (pH) and levels of oxygen and carbon dioxide in the blood from an artery, used to check lung function.