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Standard / Z score Calculator

Online statistics calculator to calculate the Z value from sample mean and standard deviation using Standard / Z score Calculator.

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Standard / Z score Sample Calculation

Enter the numbers separated by comma ',' =
Standardized Random Variable (X) =
Sample Mean (µ) =
Sample Standard Deviation (σ) =

 

Z Score =

 
   
  
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Formula Used:
Z value = (X-µ) / σ

Where,
    X = Standardized Random Variable,
    µ = Sample Mean,
    σ = Sample Standard Deviation.

The Z score is also known as z test, z value and standardized value.