Normal Deviate (Standardized Value)

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The division of distance of one data point from its mean to the standard deviation of the distribution is known as normal deviate or the standardized value. A unit deviation with zero mean is standard normal deviation and it shows the variation from the average mean or the expected value.

Standard normal deviate is used in statistics particularly in regression analysis, time series and variance analysis. It helps to find the significance test for validating the model, given a set of observed data with the assumption that it is true in representation.

Just like in a computer random numbers having a normal distribution can be obtained with the help of pseudorandom number sequence similarly the same can be found using the normal deviate technique also known as standardized value. 

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