Details: Statistics for Nursing A Workbook for Evidence – Based Practice

Please include explanation of all answers

Assignment Questions Exercise 27

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?

Assignment Questions Exercises 6, 8, 9

6. What are the median times since diagnosis for the diabetes group and the asthma group? Is the

time since diagnosis significantly different for the two groups? Provide a rationale for your answer

8. Nominal data categories should be exhaustive. Are the categories for the family race/ethnicity

variable in Table 1 exhaustive? Provide a rationale for your answer.

9. Are parametric or nonparametric statistical analysis techniques used to analyze nominal level

data in Table 1 ? Provide a rationale for your answer.