From the course: Six Sigma: Black Belt
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Hypothesis testing road map - Minitab Tutorial
From the course: Six Sigma: Black Belt
Hypothesis testing road map
- Let's say your project has selected theories to be tested. For each theory, you might be wondering which statistical test should be used to prove or disprove the axis. To help with this, let's take a look at a road map to guide you through the maze of options that can be used during hypothesis testing. Remember, the types of data of the X and the Y drive the selection of the statistical test, and data types can either be continuous or discrete. For example, in testing for differences in mean processing times of different offices, Y is the processing time and it is continuous data. X is the office, office A, B, C, and D, and X is discrete, or categorical, data. Remember that categorical is a more contemporary term than discrete data. Here's a road map, or matrix, that can guide you in selecting the correct statistical test. You can also download this from the exercise files for future reference. Let's start in the top left quadrant. If they Y is continuous and the X is discrete…
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