Z-Score Calculator
Calculate how many standard deviations a value lies from the mean.
Calculate how many standard deviations a value lies from the mean.
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Open calculatorZ-Score Calculator is a study tool for working through the underlying mathematical relationship with validated numerical inputs.
Enter the required values. The calculator validates the inputs and applies the mathematical rule z = (x − μ) ÷ σ.
Variables: x = Value (x); μ = Mean (μ); σ = Standard deviation (σ).
Example: x=85, μ=70, σ=10 → z=1.5.
It is intended for checking exercises, exploring numerical examples, and understanding how changing the inputs changes the result.
Yes when the mathematical definition permits decimals. Inputs that violate the calculator's mathematical domain are rejected.
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