# SPM

# Biostatistics

### Exam Yield

Probability of getting 1 Question from this chapter |
128% |

You may get 1 or 2 questions from this Chapter.

Really easy to score **upto 8** marks with very little investment of time.

### Question Pattern

This is a classical Statistics Chapter. Fascinating to read and easy to revise.

Understand the concepts, remember the formulae and beware of the look-alike traps.

The questions may come from the following areas.

- Problems based on Normal distribution
- Problems based on Probability
- How to chose a test of significance
- Degrees of freedom

### Recent Questions

Questions on this chapter from recent NEET and AIIMS examinations have been about

- Tests for comparing proportions
- Graphical Representation of Data
- Chi-square test – Overview
- Scales of data measurement
- Probability
- Variance and Standard Deviation
- ANOVA – Overview
- Non parametric tests – Overview
- Paired t-test – Overview
- Standard Error
- Unpaired t-test – Overview
- Degrees of freedom
- Normal Distribution

### Suggested Revision

- Measures of Central Tendency
- Measures of Dispersion