10 Jun Descriptive Statistics Assignment Instructions
You will take part in several data analysis assignments in which you will develop a report using tables and figures from the IBM SPSS® output file of your results. Using the resources and readings provided, you will interpret these results, test the hypotheses, and write up these interpretations.
Instructions
For the Descriptive Statistics Assignment, you will complete the Additional Exercises on pages 66 – 67 of your Pallant, SPSS Survival Guide textbook (Chapter 6). For convenience, due to page numbers being different in some eBooks, I am listing the assignments below.
Business
Data file: staffsurvey.sav. See classroom for file. See Appendix for details of the data file.
1. Follow the procedures covered in this chapter to generate appropriate descriptive statistics to answer the following questions.
(a) What percentage of the staff in this organization are permanent employees? (Use the variable employstatus.)
(b) What is the average length of service for staff in the organization? (Use the variable service.)
(c) What percentage of respondents would recommend the organization to others as a good place to work? (Use the variable recommended.)
2. Assess the distribution of scores on the Total Staff Satisfaction Scale (totsatis) for employees who are permanent versus casual (employstatus).
(a) Are there any outliers on this scale that you would be concerned about?
(b) Are scores normally distributed for each group?
Health
Data file: sleep.sav. See Appendix for details of the data file.
1. Follow the procedures covered in this chapter to generate appropriate descriptive statistics to answer the following questions.
(a) What percentage of respondents are female (gender)?
(b) What is the average age of the sample?
CJUS 745
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(c) What percentage of the sample indicated that they had a problem with their sleep (probsleeprec)?
(d) What is the median number of hours sleep per weeknight (hourweeknight)?
2. Assess the distribution of scores on the Sleepiness and Associated Sensations Scale (totSAS) for people who feel that they do/don’t have a sleep problem (probsleeprec).
(a) Are there any outliers on this scale that you would be concerned about?
(b) Are scores normally distributed for each group?
These are properly formatted tables (examples only):
Table 1.
Question 30 Frequency Analysis: Employees have a feeling of personal empowerment with respect to work processes
Frequency
Percent
Valid Percent
Cumulative Percent
Valid
Strongly Disagree
54327
9.1
9.4
9.4
Disagree
100392
16.8
17.5
26.9
Neither Agree nor
Disagree
135506
22.7
23.6
50.5
Agree
216007
36.1
37.6
88.0
Strongly Agree
68709
11.5
12.0
100.0
Total
574941
96.1
100.0
Missing
99
23062
3.9
Total
598003
100.0
Table 2.
Question 30 Descriptive Statistics: Employees have a feeling of personal empowerment with respect to work processes
Statistic
Value
N
Valid
574941
Missing
23062
Mean
3.25
Median
3.00
Std. Deviation
1.159
Skewness
-.402
Std. Error of Skewness
.003
Kurtosis
-.732
Std. Error of Kurtosis
.006
Figure 1.
Bar Chart for Question 30: Employees have a feeling of personal empowerment with respect to work processes
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