Assignment:
Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal.
Are Best Actresses Younger than Best Actors? Listed below are ages of actresses and actors at the times that they won Oscars. The data are paired according to the years that they won. Use a 0.05 significance level to test the common belief that best actresses are younger than best actors. Does the result suggest a problem in our culture?
Best Actresses
|
28
|
32
|
27
|
27
|
26
|
24
|
25
|
29
|
41
|
40
|
27
|
42
|
33
|
21
|
35
|
Best Actors
|
62
|
41
|
52
|
41
|
34
|
40
|
56
|
41
|
39
|
49
|
48
|
56
|
42
|
62
|
29
|