Using 2 Proportions Test with SigmaXL

Using 2 Proportions Test with SigmaXL A 2 Proportions Test is a statistical procedure used to validate if two independent groups have significant differences in their proportions. We can use this test to compare, for example, if the proportion of one group is...

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....

Knowing Your Data

Knowing Your Data Knowing Your Data Inevitably, all Continuous Improvement practitioners (especially those leading projects) will come across a set of data related to a specific process or sample being studied. Data analytics is indeed a key part of understanding the...