Apply the Friedman Test to the Following Table of Ordinal

question 94

Essay

Apply the Friedman test to the following table of ordinal data to determine whether we can infer at the 5% significance level that at least two population locations differ. $\begin{array} { | c | c | c | c | c | } \hline & { \text { Treatment } } \\\hline \text { Block } & \text { A } & \text { B } & \text { C } & \text { D } \\\hline \text { i } & 2 & 5 & 3 & 1 \\\hline \text { iii } & 1 & 4 & 5 & 4 \\\hline \text { iii } & 3 & 4 & 2 & 2 \\\hline \text { iv } & 2 & 5 & 4 & 1 \\\hline \mathrm { v } & 1 & 5 & 3 & 5 \\\hline\end{array}$

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Definitions:

Postural Blood Pressure

A measurement of blood pressure after changing body positions, used to assess for conditions like orthostatic hypotension.

Adventitious Lung Sounds

Abnormal lung sounds heard with a stethoscope, indicating respiratory problems such as infections, fluid, or air in the lungs.

Orthopnea

Difficulty in breathing that occurs when lying down and is relieved upon changing to an upright position.

Decompensated Congestive Heart Failure

A stage where heart failure symptoms worsen and become more severe, requiring immediate medical attention.