Daniel Sims is a Certified Quality Engineer, part-time writer and Six Sigma practitioner who espouses the use of Engineering discipline and problem solving skills in all areas of business and life.

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Hypothesis Testing

by Daniel Sims

hypothesis testing

Hypothesis Testing: A systematic way to select samples from a group or population with the intent of making a determination about the expected behavior of the entire group.

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What is Correlation?

by Daniel Sims

what is correlation

Correlation: The existence of a relationship between two or more variables or factors where dependence between them occurs in a way that cannot be attributed to chance alone.

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Glossary: Multivariate Testing

by Daniel Sims

Multivariate Testing

A type of hypothesis testing where multiple variables are tested simultaneously to determine how the variables and combinations of variables influence the output. If several different variables (factors) are believed to influence the results or output of a test, multivariate testing can be used to test all of these factors…

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