# Descriptive Statistics

In a study of job satisfaction, a series of tests were administered to 50 participants. The following data were obtained; higher scores represent greater dissatisfaction:

Use the data of this question to calculate the following:

1. Frequency dist.

2. Relative frequency dist.

3. Cumulative frequency dist.

4. Histogram

5. Mean

6. Median Quartiles 1 & 3

7. Mode

8. Variance

9. Standard deviation

10- Z-score

Data are as follows:

87 76 67 58 92 59 41 50 90 75 80 81 70 73 69 61 88

46 85 97 50 47 81 87 75 60 65 92 77 71 70 74 53 43

61 89 84 83 70 46 84 76 78 64 69 76 78 67 74 64

https://brainmass.com/statistics/descriptive-statistics/descriptive-statistics-frequency-distribution-histogram-290179

#### Solution Preview

In a study of job satisfaction, a series of tests were administered to 50 participants. The following data were obtained; higher scores represent greater dissatisfaction:

Use the data of this question to calculate the following:

1. Frequency dist.

Frequency Distribution

Job Satisfaction cumulative

lower upper midpoint width frequency percent frequency percent

40 < 50 45 10 5 10.0 5 10.0

50 < 60 55 10 5 10.0 10 20.0

60 < 70 65 10 10 20.0 20 40.0

70 < 80 75 10 15 30.0 35 70.0

80 < 90 85 10 11 22.0 46 92.0

90 < 100 95 10 4 8.0 50 100.0

50 100.0

2. Relative frequency dist.

Frequency Distribution

...

#### Solution Summary

The solution provides step by step method for the calculation of descriptive statistics . Formula for the calculation and Interpretations of the results are also included.