The midterm and final exam grades for a statistics course are provided in the data set below. Jaymes, a student in the class, scored86

on both exams. Treat the given data sets as samples. Jaymes's wants to know which grade is more unusual, themidterm grade or thefinal exam grade.

Use Excel to calculate thez

-scores corresponding to each grade. Round to three decimal places. Do not round until you've calculated your final answer.

"Midterm" Final

80 81

78 88

85 68

82 69

79 69

79 81

78 82

86 86

80 76

84 71

78 72

84 68

80 77

84 86

81 68

78 83

81 84

82 71

78 81

84 87