SPSS EXERCISE 27 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? SPSS EXERCISE 27 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? SPSS EXERCISE 27 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? SPSS EXERCISE 27 10. What percentage of patients had psoriatic arthritis as their primary diagnosis? SPSS EXERCISE 27 Comments for the Instructor: Instructor's Comments: Score: Grading Rubric: / 90