This calculator finds the standardized z-score for any raw value of X, a population mean, and a population standard deviation.

To find the z-score for any value of X, simply enter the data below and then click the “Calculate” button.

Z-score: **0.875**

**Z Score Explanation:**

Z score: (X – μ) / σ

Z score: (17 – 13.5) / 4 = 0.875