These are EDUCATION 450 questions

For each group:

1. Construct tables showing, Simple Frequency Distributions and Grouped Frequency Distributions using 10 intervals (Based on 10 intervals, determine what your width (i) would be. This would be different for both groups) Follow all steps in constructing the various tables and diagrams.
2. Construct Histograms and Frequency Polygons
3. Calculate the Mean, Median, Mode, and Range for both sets of data.

Respond to the following questions:

1. How would you interpret the results? Assume that the results are from grading an assignment in two classes you are teaching. Determine whether the data sets form normal curves or whether they are skewed and if skewed, what type of skewed data are they?

Can you please tell me what do i have to do to construct the Histogram and the frequency polygons?

Do I need to download anything?

Group A

21

30

45

48

62

68

75

77

79

80

80

80

82

85

87

87

89

90

91

98

99

99

99

99

Group B

60

65

68

68

68

68

69

70

72

72

72

74

78

80

81

83

84

85

86

86

89

90

91

92

99