Having a solid understanding of the scientific method and how to study a small sample of data in order to make decisions about an entire population is what usually separates excellent Continuous Improvement Practitioners from average ones. In the next series of videos we really dig into topics such as hypothesis testing and normality. Finally, you will never need to use ALL of these tools in a single project... but it's still important you understand the tool allowing you to use it when the time is right.
2 Variances Test
In this module you'll learn what the 2 Variances Test is as well as how to complete and interpret one.