Subtract the mean from the value
Divide the result by the standard deviation
Use the formula: z = (x – μ) / σ
x = individual value
μ = population mean
σ = population standard deviation
Subtract the mean from the value
Divide the result by the standard deviation
Use the formula: z = (x – μ) / σ
x = individual value
μ = population mean
σ = population standard deviation