68

86

91

64

80

82

90

77

88

84

70

92

86

51

14

1. Now we have the scores from another class. Use the proper test to find if the average scores of the two classes are the same.
2. Use the proper test to find if the Standard deviations of scores are the same.
3. If we only know that the test scores are symmetrically distributed, use the proper test to find if the medians are the same.
4. If we don't know anything about the distribution, use the proper test to find if the medians are the same.