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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:
| Time |
| 33 |
| 27 |
| 40 |
| 34 |
| 22 |
| 19 |
| 40 |
| 73 |
| 26 |
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
Answer
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