Statistics for Nursing Research

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?