Z-Score

Z-Score Calculator

This calculator determines how many standard deviations a data point is from the mean.

Use Cases

• Statistics: Outlier detection.
• Standardized Testing: Comparing scores across different exams.
• Research: Normalizing data distributions.

Formula

$$Z = \frac{x - \mu}{\sigma}$$

Where:

• $x$ is the raw score
• $\mu$ is the mean
• $\sigma$ is the standard deviation