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Category: Analyze

Analyze phase of DMAIC

Ted Hessing

Factors in an Experiment

Posted by Ted Hessing

In most experiments, you’ll have a number of factors to deal with. These are elements that affect the outcomes of your experiment. They fall into a few basic categories:

This entry was posted in Analyze, Design of Experiments (DOE), Improve and tagged ASQ, Black Belt, DOE, IASSC, Villanova. Bookmark the permalink.
Ted Hessing

Tailed Hypothesis Tests

Posted by Ted Hessing

A tailed hypothesis tests is an assumption about a population parameter. One-tailed and Two-tailed tests are two types of tests.

This entry was posted in Analyze and tagged ASQ, Black Belt, IASSC, Villanova. Bookmark the permalink.
Ted Hessing

P-Values

Posted by Ted Hessing

A p-value is expressed as a number between 0 and 1. It is used to determine if hypothesis test results are statistically significant or not.

This entry was posted in Analyze, Basic Hypothesis Tests and tagged combine. Bookmark the permalink.
Ted Hessing

Errors in Hypothesis Testing

Posted by Ted Hessing

There are two basic types of errors that can occur in hypothesis testing: “Type A or 1 Error” and “Type B or 2 Error.”

This entry was posted in Analyze, Basic Hypothesis Tests and tagged ASQ, Black Belt, Green Belt, IASSC, QuestionSet, Villanova. Bookmark the permalink.
Ted Hessing

Hypothesis Testing Overview

Posted by Ted Hessing

Hypothesis Testing helps prevent needless expenditure in pursuit of the wrong solution. We take a scientific approach to check assumptions.

This entry was posted in Analyze, Basic Hypothesis Tests and tagged ASQ, Black Belt, combine, Green Belt, IASSC, Villanova. Bookmark the permalink.
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