Salaries An employment information service says that standard deviation of annual salaries for public relations managers is at least $14.500. The annual salaries for 18 randomly selected public relations managers are listed. At a = 0.10, can you reject the claim? (Adapted from America's Career InfoNet)
|
47.517
|
60.217
|
39.177
|
61.744
|
79.422
|
70.770
|
|
60.549
|
60.263
|
72.939
|
72.372
|
75.014
|
59.164
|
|
44.811
|
65.413
|
61.310
|
90.433
|
44.185
|
41.805
|