The General Electric Service Department Believes That the Median Time

Multiple Choice

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 critical value for the test about median service times,using a .05 level of significance,is:

A) 5.
B) 40.
C) 8.
D) 37.