The General Electric service department believes that the median time for a service call should be 30 or fewer minutes. To test this, the following random sample of service times was collected: Given that the managers do not wish to make the assumption that the population is normally distributed, the test statistic for the Wilcoxon signed rank sum test is:
A) W = 43.0
B) W = 27.0
C) W = 18.0
D) None of the above

Question

The General Electric service department believes that the median time for a service call should be 30 or fewer minutes. To test this, the following random sample of service times was collected:  Given that the managers do not wish to make the assumption that the population is normally distributed, the test statistic for the Wilcoxon signed rank sum test is:
A) W = 43.0 
B) W = 27.0 
C) W = 18.0 
D) None of the above

Quizplus · Accepted Answer

The Answer of The General Electric service department believes that the median time for a service call should be 30 or fewer minutes. To test this, the following random sample of service times was collected:  Given that the managers do not wish to make the assumption that the population is normally distributed, the test statistic for the Wilcoxon signed rank sum test is:
A) W = 43.0 
B) W = 27.0 
C) W = 18.0 
D) None of the above

The General Electric Service Department Believes That the Median Time