BMAT BMAT Data Analysis & Interpretation 1 — Questions and Answers
Question 1: In a BMAT Section 1 data table showing patient recovery rates, which statistical measure best summarizes the central tendency of skewed data?
- Mean
- Median (Correct answer)
- Mode
- Range
Correct answer: Median
The median is preferred for skewed data because it is not affected by extreme outliers.
Question 2: A bar chart shows hospital admission rates per 1,000 population across 5 regions: A=45, B=52, C=38, D=61, E=44. What is the mean admission rate?
- 46
- 47
- 48 (Correct answer)
- 44
Correct answer: 48
(45+52+38+61+44)/5 = 240/5 = 48.
Question 3: A scatter plot shows a strong positive correlation between study hours and BMAT scores. What does this mean?
- Studying directly causes higher scores
- Higher study hours are associated with higher scores (Correct answer)
- All students who study get high scores
- Study hours determine scores exactly
Correct answer: Higher study hours are associated with higher scores
Correlation indicates an association between variables, not causation.
Question 4: A pie chart shows 360 medical students by specialty preference: Surgery 25%, Internal Medicine 30%, Pediatrics 20%, Psychiatry 15%, Other 10%. How many students chose Surgery?
- 72
- 90 (Correct answer)
- 108
- 54
Correct answer: 90
25% of 360 = 0.25 × 360 = 90 students.
Question 5: A line graph shows test anxiety scores increasing over 5 weeks: 3, 5, 7, 9, 11. What type of trend does this represent?
- Exponential
- Linear (Correct answer)
- Logarithmic
- Quadratic
Correct answer: Linear
Equal increases of 2 per week indicate a linear (arithmetic) trend.
Question 6: A two-way table shows BMAT Section 2 scores: males averaged 58, females averaged 62, and the overall average was 59. What does this suggest about the sample?
- Equal numbers of males and females
- More males than females in the sample (Correct answer)
- More females than males in the sample
- The data is invalid
Correct answer: More males than females in the sample
The overall average being closer to the male average indicates more males in the sample, pulling the weighted average downward.
BMAT BMAT Data Analysis & Interpretation 1
In a BMAT Section 1 data table showing patient recovery rates, which statistical measure best summarizes the central tendency of skewed data?