A University Advisor Wants to Determine If There Is a Difference

question 67

Essay

A university advisor wants to determine if there is a difference in the total amount of time spent studying between students taking an online version and a traditional class version of a certain course.The following table contains the sample sizes of each group,and the rank sums for the Wilcoxon rank-sum test. a.Specify the competing hypothesis to determine whether the median study time for online students differs from the median study time for traditional students.
b.What is the value of the Wilcoxon rank-sum test statistic W?
c.Assuming W follows a normal distribution,what is the value of the corresponding test statistic?
d.At the 1% significance level,what is the decision and conclusion?

---

Definitions:

Prosecuted

Refers to being officially charged and tried in court for a crime.

Deviant Corporate Behavior

Actions by companies that go against societal norms or ethics, often illegally for financial gain.

Deviant Activities

Behaviors that violate societal norms or laws, ranging from minor infractions to serious crimes.

Causes and Costs

Causes and costs refer to the underlying reasons behind events or actions and the associated expenses or consequences that result from them.