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Sometimes we need to know if our data is normally distributed? What is a normal distribution, why do we need to know if our data is normally distributed and how do we check for it? Read to find out...
In this module, we go over what is the Sigma Level and how to calculate it for both continuous and discrete data...
Defects per Million Opportunities (DPMO) is used as a measure of process capability. In this module, we cover a brief overview of on DPMO and share some of the limitations of using this measure.
Sometimes we encounter distributions that are not normal. In this module we explore two metrics to report the degree of departure from normality: Skewness and Kurtosis.
Sometimes quartiles are used to describe the amount of variation in the data. This module talks about what are quartiles and how to determine the quartiles.