In a Wilcoxon Rank Sum Test, the Two Sample Sizes $\alpha = 0.05$

question 112

Short Answer

In a Wilcoxon rank sum test, the two sample sizes are 6 and 6, and the value of the Wilcoxon test statistic is T = 20. If the test is two-tailed and the level of significance is $\alpha = 0.05$ , then: $\begin{array}{|l|l|}\hline A&\text {the null hypothesis will be rejected. }\\\hline B&\text {the null hypothesis will not be rejected. }\\\hline C&\text {the alternative hypothesis will not be rejected. }\\\hline D&\text {not enough in formation has been given to answer this question. }\\\hline \end{array}$

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Definitions:

Placebo Effect

A phenomenon in which a person experiences a physiological or psychological improvement after being given a treatment with no therapeutic effect, due to their belief in the treatment's efficacy.

Breathing Exercise

Practices or techniques focused on controlling the breath, used for relaxation, stress management, or improving respiratory health.

Stressful Situation

Any circumstance or event that causes significant anxiety, pressure, or stress, challenging an individual's ability to cope.

Spontaneous Improvements

The unexpected or unplanned enhancements in performance or conditions without specific intervention.