CIC Exam Dumps | Which statistical test is MOST appropriate for comparing infection rates before and after an intervention?

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Question 62/72

Which statistical test is MOST appropriate for comparing infection rates before and after an intervention?

A. Student's t-test

B. Chi-square test for proportions

C. Linear regression analysis

D. Wilcoxon rank-sum test

Correct Answer: B

* The Chi-square test is the most appropriate test for comparing infection rates (categorical data) before and after an intervention.
CBIC Infection Control References:
* CIC Study Guide, "Statistical Analysis in Infection Control," Chapter 5.

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