Z-Score Calculator

Standardized Distance

A z-score shows how many standard deviations a value is from the mean.

Formula: z = (value - mean) / standard deviation.

Understanding Z-Score

1. What This Calculator Measures

A z-score tells how many standard deviations a value is from the mean.

2. How the Calculation Works

The calculator subtracts the mean from the value and divides by standard deviation.

3. Formula or Rule Used

z = (value - mean) / standard deviation.

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