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Variance of the anxiety scores

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Reference no: EM131705589

A researcher was interested in the anxiety present in students just prior to the midterm exam. The research used an anxiety self-quiz to gage the student's anxiety. The score for 30 students are given here.

69

99

91

66

70

98

70

53

40

58

61

66

94

77

70

56

88

85

86

40

84

86

54

48

86

43

78

53

79

89

  1. Construct a frequency table with class, frequency, relative percent, and cumulative percent that has 6 classes to describe the distribution of the data in SPSS.
  2. Use the frequency table created in problem to construct a histogram in SPSS.
  3. Use SPSS to calculate the numerical descriptive statistics mean, median, standard deviation, and variance of the anxiety scores.

Reference no: EM131705589

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