Calculating Descriptive Statistics
Use MS Word to complete “Questions to be Graded: Exercise 27” inStatistics for Nursing Research: A Workbook for Evidence-Based Practice. Submit your work in SPSS by copying the output and pasting into the Word document. In addition to the SPSS output, please include explanations of the results where appropriate.
Exercise 27 – Calculating Descriptive Statistics
Name: _______________________________
1. What is the mean age of the sample data?
2. What percentage of patients never used tobacco?
3. What is the standard deviation for age?
4. Are there outliers among the values of age? Provide a rationale for your answer.
5. What is the range of age values?
6. What percentage of patients were taking infliximab?
7. What percentage of patients had rheumatoid arthritis as their primary diagnosis?
8. What percentage of patients had irritable bowel syndrome as their primary diagnosis?
9. What is the 95% CI for age?
10. What percentage of patients had psoriatic arthritis as their primary diagnosis?