C813 HIM 4502 Healthcare Statistics & Research OA READINESS EXAM Q & S 2026/2027

C813 HIM 4502
Healthcare Statistics & Research
OA READINESS EXAM
Q & S
©2026/2027
1. Which of the following statistical tests is most
appropriate for comparing the means of three or more
independent groups?
 - A. ANOVA
 - B. Chi-square test
 - C. T-test
 - D. Logistic regression
 - Answer : A. ANOVA
 - Rationale : ANOVA (Analysis of Variance) is used to
compare the means of three or more independent groups.
2. What is the primary purpose of a Kaplan-Meier curve in
healthcare statistics?
 - A. To analyze categorical data
 - B. To estimate survival function
 - C. To perform a regression analysis
 - D. To assess correlation
 - Answer : B. To estimate survival function
 - Rationale : Kaplan-Meier curves are used to estimate
the survival function from lifetime data.
3. Which data level must be utilized for calculating a
Pearson correlation coefficient?
 - A. Nominal
 - B. Ordinal
 - C. Interval or ratio
 - D. Categorical
 - Answer : C. Interval or ratio