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1. Which of the following statistical tests is most
appropriate to analyze the relationship between two
continuous variables in healthcare research?
A. Chi-square test
B. T-test
C. Pearson correlation coefficient
D. Mann-Whitney U test
Answer: C. Pearson correlation coefficient
Rationale: The Pearson correlation coefficient is used to
measure the strength and direction of a linear relationship
between two continuous variables.
2. A researcher is comparing the mean blood pressure
levels of two different groups of patients. Which statistical
test should be used to determine if there is a significant
difference between the groups?
A. ANOVA
B. T-test
C. Mann-Whitney U test
D. Chi-square test
Answer: B. T-test
Rationale: A t-test is appropriate for comparing the means
of two groups with continuous data.
3. A healthcare study is investigating the association
between smoking status and the incidence of lung cancer.
Which statistical test is most suitable for analyzing thisÂ
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