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Correlation Coefficient

A correlation coefficient is a statistical measure that quantifies the degree of correlation between two variables. It provides insights into the strength and direction of the relationship between variables. In many practical scenarios, we encounter data on two or...

Control Plan

What is a Six Sigma Control Plan and how does it work? The Lean Six Sigma control plan format is a written description of the process. A control plan example would be that it describes the steps required to maintain a process or device at its current level. Each step...

Control Limits

A control limit chart definition is made up of many parts. There are two control limits. The lower limit (LCL) is at the bottom, while the upper limit is at the top. The solid middle line represents the average of all the statistics being...

Contour Plot

A Contour Plot is a two-dimensional graph of three measurement variables: two inputs (x1 and x2) and one response (y), where contour lines connect points on the x1 and x2 plane that have the same value for y. In other words, it is a graphical technique for...

Confounding

Confounding is a crucial concept in research. It describes a situation where a third variable influences both the independent and dependent variables. This creates a spurious association. It makes it seem like the independent variable is causing the dependent...
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