Use the Wilcoxon Rank Sum Test on the Data Below

question 54

Essay

Use the Wilcoxon rank sum test on the data below to determine at the 10% significance level whether the two population locations differ. $$\begin{array} { | l | r | r | r | r | r | r | r | r | r | r | } \hline \text { Sample 1: } & 15 & 14 & 15 & 16 & 16 & 17 & 13 & 15 & 16 & 14 \\\hline \text { Sample 2: } & 17 & 15 & 15 & 16 & 18 & 15 & 17 & 17 & 15 & 18 \\\hline\end{array}$$

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Definitions:

Reliable

The quality of being consistently good in performance, giving the same results on successive trials, or being trustworthy.

Test Results

The outcome or findings from a series of tests or examinations, usually measuring proficiency, understanding, or condition in various contexts.

Consistent

Showing steady conformity to a standard, pattern, or expectation without any deviation or contradiction.

Laboratory Observation

Research method in which all participants are observed under the same controlled conditions.