Systolic Blood Pressure of Randomly Selected HMO Patients Was Recorded

question 24

Multiple Choice

Systolic blood pressure of randomly selected HMO patients was recorded on a particular Wednesday, with the results shown here: $$\begin{array}{l}\text { Patient Age Group }\\\begin{array} { | c | c | c | c | } \hline \text { Under 20 } & 20 \text { to } 29 & 30 \text { to } 49 & \text { 50 and Over } \\\hline 105 & 110 & 122 & 139 \\113 & 101 & 114 & 115 \\108 & 112 & 128 & 136 \\114 & 127 & 124 & 124 \\123 & 123 & 125 & 123 \\\hline\end{array}\end{array}$$ The appropriate hypothesis test to compare the medians is:

• A)Wilcoxon test.
• B)Kruskal-Wallis test.
• C)Levene's test.
• D)Friedman test.

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