Standardized Normal Distribution Formula

A standard normal distribution has a mean of 0 and a standard deviation of 1. Standardized normal distribution formula is mentioned below. To compute the values from a standard normal distribution, subtract the mean of the distribution from the value that is being standardized. Divide the obtained value by standard deviation of the distribution to get the resultant value.


Z = (x - μ) / σ


Z = Standardized Random Variable
x = The Value that is being Standardized
μ = Mean of the Distribution
σ = Standard Deviation of the Distribution

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Standardized normal distribution is the simplest case of normal distribution. It is used to compare two or more distributions of data. And also for finding the probabilities of events that occur involving the normal distributions.

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