Question:
A study is conducted to compare the mean hemoglobin (Hb) levels between two groups. Which test is most appropriate?
A study is conducted to compare the mean hemoglobin (Hb) levels between two groups. Which test is most appropriate?
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Two independent groups + comparison of means = unpaired t-test.
Updated On: May 14, 2026
- Paired t-test
- Unpaired t-test
- Chi-square test
- ANOVA
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The Correct Option is B
Solution and Explanation
Concept:
When the mean of a continuous variable is compared between two independent groups, the appropriate statistical test is the unpaired t-test.
Step 1: Identify the variable being compared.
Hemoglobin level is a continuous quantitative variable.
Step 2: Identify the number of groups.
The study compares mean Hb levels between two groups.
Step 3: Choose the correct test.
Since the two groups are independent: \[ \text{Unpaired t-test} \] is used.
Step 1: Identify the variable being compared.
Hemoglobin level is a continuous quantitative variable.
Step 2: Identify the number of groups.
The study compares mean Hb levels between two groups.
Step 3: Choose the correct test.
Since the two groups are independent: \[ \text{Unpaired t-test} \] is used.
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