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Question

A. Find the mean and standard deviation for the final exam scores in the two years, 1992 and 2017.

B. Suppose you scored an 85 on this exam. In which distribution is your test score the farthest above the mean? How far above the mean is your score in both

of these distributions?

C. Admission to a (paid) summer internship program requires that students earn a C or better (70% or higher) on their statistics final exam. If we assume that

scores (in both years) on this test are reasonably normally distributed, what percentage of students in 1992 and 2017 would qualify for this internship?/nAssignment

The performance of 20 students on their final exam on statistics in 1992 and for the second class of 20 students in 2017 is shown in the table below.

Scores on Statistics Final Exam, 1992 and 2017

80

91

91

80

74

74

73

75

76

73

73

69

67

68

68

68

68

57

58

59

Class of 1992

100

99

94

94

94

88

88

81

88

89

80

88

76

75

63

61

53

55

56

82

Class of 2017/nUnlimited Attempts Allowed

✓ Details

Complete the following problems using what we have learned in class to this point. You may complete these problems on a sheet of paper and submit of

picture of your work or using a tablet or computer (writing out the problems that require math). The task is not to use computer software or applications to

answer the questions but to complete them by hand. You will be graded based on completing each problem (or attempting to do so) but also the accuracy of

your responses. If you have questions pertaining to these questions or anything in the class, please contact me and ask.

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