The fire marshal has stipulated that the room capacity for a particular room is to be no more than 100 on the average.A random sample of the room's occupancy rate for 9 days had the following number of people: 144,85,90,120,150,105,93,130 and 115.Assume the population of room occupancy counts is not normal.The fire marshal wants to determine if there is significant evidence to conclude that the room has had more than 100 people on average.Which one of the following tests is appropriate for this problem?
A)Wilcoxon signed rank test
B)Wilcoxon rank sum test
C)Sign test
D)Kruskall-Wallis test
E)Spearman's rank correlation test

Question

Quizplus · Accepted Answer

The Sign test is appropriate for this problem because it is a non-parametric test used to determine if there is a significant difference between the median of a single sample and a known median (in this case, the room capacity of 100) without assuming a normal distribution of the population.

The Fire Marshal Has Stipulated That the Room Capacity for a Particular