applied statistics health science evidence based practice in nursing

Chi-Squared Exercise

Name: _______________________________________ Date:______________

Subjects are inmates incarcerated in Louisiana’s only prison for female offenders. A total of 119 subjects participated in the study. The research question is “In adult women incarcerated in Louisiana, is there a difference in types of crime committed across marital status groups? “

Data collected is noted in Table 1. Answer the questions below under each question.

1. State the null hypothesis for the research question above.

2. State the rationale for running a chi-squared test on this data.

3. Create Table 1 in Excel. Run a chi-squared test. Show all of your work. Cut and paste your work here. (Hint see the video on Moodle “Chi-Squared Test: How to set up in Excel”)

4. Using a P-value of 0.05, should the null hypothesis be rejected? Explain.

5. Report your chi-squared conclusion including the degrees of freedom (p.344) and X2 = 24.27 (p. 342)

TABLE 1

	Single	Previously Married	Married	Total
Murder	5	18	18	41
Robbery	10	1	7	18
Theft	22	11	9	42
Drugs	4	9	5	18
TOTAL	41	39	39	119