Blogs

Articles related to the topics of interest for users of Sigma Magic software. Be prepared to be inspired & informed.

Contents

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Is my data normally distributed?

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...

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What is Sigma Quality Level?

In this module, we go over what is the Sigma Level and how to calculate it for both continuous and discrete data...

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How to interpret DPMO values?

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.

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How do we measure the degree of departure from normality?

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.

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What are quartiles and where do we use them?

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.

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