Z-score Calculator

The z-score calculator is designed to calculate a standardized z-score based on the raw score, population mean, and standard deviation.

z = (x - μ) / σ

Calculate Z-score Using Sample Mean and Size

z = (x̄ - μ) / (σ / √n)

Calculate Z-score Using A Data Sample

z = (x̄ - μ) / (σ / √n)