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Z test Statistics, Sample Calculator

Calculate the z score from the two samples of population mean and standard deviation using z test statistics calculator.

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Z test Statistics, Sample Calculation

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

 

Z Score =

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

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

We can also calculate the Z Score even when only the two samples population mean and standard deviation are known. The Z test statistics calculation is made easier.