Compare Z-scores Calculator

This calculator is designed to compare the Z-scores of two data points from different distributions.

Z-score =

(x - μ) σ

1^st Data Values

Individual Value (x₁):

Population Mean (μ₁):

Population Standard Deviation (σ₁):

2^nd Data Values

Individual Value (x₂):

Population Mean (μ₂):

Population Standard Deviation (σ₂):

= Calculate

× Reset

Z-score of first value (Z₁):

Z-score of second value (Z₂):

How to Use the Compare Z-scores Calculator?

1. First, input the individual value, population mean, and population standard deviation for both data points.
2. After entering all the values, press the 'Calculate' button.
3. Finally, the tool shows Z-scores of two given data values.
4. Now you can compare which score is better performed compared to the group.