Descriptive Statistic Project”

PSY

-

520 Graduate Statistics

Topic 1

–

Descriptive Statistics Project

Directions:

Use the following information to complete the questions below.

A researcher was interested in the anxiety present in students just prior to the midterm exam. The

research

er

used an anxiety self

-

quiz to ga

u

ge the student’s anxiety. The score

s

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 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.

PSY-520 Graduate Statistics

Topic 1 – Descriptive Statistics Project

Directions: Use the following information to complete the questions below.

A researcher was interested in the anxiety present in students just prior to the midterm exam. The

researcher used an anxiety self-quiz to gauge the student’s anxiety. The scores 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 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.