Publication date: 08/13/2020

Standard Deviation Test

Here is the formula for calculating the Test Statistic:

The Test Statistic is distributed as a Chi-square variable with n - 1 degrees of freedom when the population is normal.

The Min PValue is the p-value of the two-tailed test, and is calculated as follows:


where p1 is the lower one-tail p-value and p2 is the upper one-tail p-value.

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