The Wilcoxon Test Was Used on 18 Pairs of Data

question 101

Multiple Choice

The Wilcoxon test was used on 18 pairs of data.The total of the ranks (T) were computed to be 111 (for + ranks) and 60 (for - ranks) .The z value for this test is ____.

• A)-1.11
• B)-0.05
• C)-0.07
• D)0.033
• E)2.22

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Definitions:

Alveolar Pressure

The pressure within the alveoli of the lungs, which influences breathing and gas exchange.

Surfactant

A substance that reduces the surface tension of fluids, facilitating processes like breathing by preventing the collapse of alveoli in the lungs.

Type II Pneumocytes

Specialized cells lining the alveoli of the lungs that secrete pulmonary surfactant to decrease the surface tension at the air/liquid interface, aiding in respiratory mechanics.

Cuboidal Epithelial Cells

Cube-shaped cells found lining various ducts and glands, playing a role in secretion and absorption.