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:
Labour Exceeds
This phrase might refer to situations where the available workforce or effort put into a task surpasses what is necessary or expected, potentially leading to inefficiencies.
Informal Surveys
Non-structured methods of gathering data or feedback, often used for quick or preliminary assessments.
Central Tendency
A statistical measure that identifies the center of a data distribution, often used in performance appraisals to describe a tendency to rate employees near an average level.
Compensation Databases
Databases that contain information about salary ranges and compensation packages for various positions, used by organizations to benchmark and design their own compensation strategies.
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