Use the Wilcoxon Rank Sum Test on the Data Below

question 110

Essay

Use the Wilcoxon rank sum test on the data below to determine at the 5% significance level whether the location of population A is to the left of the location of population B. $$\begin{array} { | l | l | l | l | l | l | } \hline \text { Sample A: } & 75 & 60 & 67 & 54 & 69 \\\hline \text { Sample B: } & 80 & 84 & 100 & 74 & 90 \\\hline\end{array}$$

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Definitions:

Downward Social Comparison

A defensive tendency to compare oneself with someone whose troubles are more serious than one’s own.

Self-verification

The process through which individuals seek to confirm their self-concept by encouraging feedback that aligns with their existing beliefs and perceptions about themselves.

Biased Affective Forecasting

The tendency for people to inaccurately predict the intensity or duration of future emotional states, often underestimating the capacity to adapt to life changes.

Basking In Reflected Glory

The tendency to enhance one’s image by publicly announcing one’s association with those who are successful.