Before we talk about the Nonparametric Tests, let's understand what Parametric Tests are.Parametric Tests:These are hypothesis tests that assume that the data being analyzed follows a distribution (generally Normal Distribution). Examples of Parametr...

What is the Correction?ISO 9000:2015 defines the correction as follows: Correction: Action to eliminate a detected nonconformityWhat is Corrective Action?ISO 9000:2015 defines the correction as follows: Corrective action: Action to eliminate the caus...

What is the variation?Whatever measurement we take, there is always a variation between these measurements. No two items or measurements are precisely the same. The problem with the variation is that it is the enemy of quality. Variation and quality...

Six Sigma is a process improvement approach. Six Sigma was invented by Motorola way back in 1985. This approach has stood the test of time and is still widely used by organizations even after 35 years of its invention. This process improvement method...

Many companies celebrate the month of November as Quality Month. The main purpose behind this celebration to raise the level of quality awareness in the company and to recognize the efforts and contributions of quality professionals. It is also an op...

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The Certified Manager of Quality/Organizational Excellence (ASQ CMQ/OE) is a professional who leads and champions process-improvement initiatives. The certification is not focused on any specific industry. The CMQ/OE could lead the improvement initia...

The American Society for Quality (ASQ) has updated the body of knowledge for its Certified Manager of Quality / Organizational Excellence (CMQ/OE) certification effective from September 2019. The most significant change in 2019 Body of Knowledge is t...