Posts in category Six Sigma

The alternate hypothesis is the complement of the null hypothesis. The null hypothesis is what you anticipate through randomness. The alternative hypothesis, sometimes known as the alternate hypothesis is the …

An activity network diagram also known as arrow diagram, pert chart, and critical path method is used to show activities that are in parallel and/or in series. It will show …

Project teams use an affinity diagram as a better way to solicit, record and discuss ideas that will solve operational challenges. Its primary goal is to take all ideas for …

When using a Design of Experiments methodology, an alias is when the pattern of pluses (+) and minuses (-) into columns are identical. For example, a main effect is aliased …

An analysis of variance is a statistical method for comparing the effect of the levels of a single factor or multiple factors on a response variable. Use: Suppose you work …

A one-way ANOVA simply means that you are testing one factor. Now, you might test that particular factor at two levels. You might test that particular factor three levels, or …

A one-way ANOVA simply means that you are testing one factor. Now, you might test that particular factor at two levels. You might test a particular factor three levels, and …

An attribute chart is a type of control chart for measuring attribute data (vs. continuous data).  There are four types of attribute charts: c chart, n chart, np chart, and …

Discrete data are only a finite number of values possible or if there is a space on the number line between two possible values. For example, it’s impossible to roll …

The balanced scorecard is a management technique used to align enterprise activities to the Key Business Objectives (KBO) of the organization. Use: The balanced scorecard measures performance in the following …