This calculator allows you to compare the Z-scores of two datasets.
You need to specify the raw score(x), mean (μ), and standard deviation (σ) of both datasets.
Click the ‘Calculate’ button when you’re ready:
Z score = (x – μ) / σ
Z₁ score = (13 – 7.8) / 2 = 2.6
Z₂ score = (18 – 9.3) / 4 = 2.175
