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Z-Score: Definition, Formula and Calculation - Statistics How To

Z -Score: Definition, Formula and Calculation ; z = (x – μ) / σ; = (190 – 150) / 25 = 1.6. ; z = (x – μ) / (σ / √n); = (70 – 65) / (3.5/√50) = 5 / 0.495 = 10.1.

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