Hypothesis Testing: Looking for Statistical Significance

Hypothesis Testing: Looking for Statistical Significance Hypothesis Testing is a statistical procedure that looks into proving (or not) a constructed hypothesis. Also known as Significance Tests, they are powerful in investigating and validating changes in central...

Three Types of ISO Audits

ISO Audits ISO, also known as the International Organization for Standardization, is an international organization initially started in 1946. Originally starting with delegates from 25 different countries, ISO currently has 162 countries represented by its members....

Control Charts: Their Uses and the 4 Process States Within

Control Charts: Their Uses and the 4 Process States Within Control charts were originally used in the deployment of Statistical Process Control (SPC) and later adopted into the Six Sigma framework. Also known as Shewart charts (after Walter A. Shewart), these charts...