midStatistics
What is a normal distribution?
Updated May 17, 2026
Short answer
A bell-shaped distribution where mean = median = mode.
Deep explanation
Defined by mean and variance, it follows the 68-95-99.7 rule and is central to inferential statistics.
Real-world example
Heights of adults often follow normal distribution.
Common mistakes
- Assuming all datasets are normally distributed.
Follow-up questions
- What is skewness?
- What is kurtosis?