September 2012
Beginner
408 pages
9h 47m
English
Content preview from Six Sigma For Dummies, 2nd Edition
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Chapter 9
Describing Performance with Numbers
In This Chapter
Recognizing different types of data
Understanding the basics of statistics
Seeing the difference between short-term and long-term variation
Although the idea of data, numbers, and measurements may not be exciting to some, it should be very exciting to you, a Six Sigma practitioner who is tasked with improving a process, an operational unit, or an entire organization.
In this chapter, you find out about different types of data and understand how to characterize data in a critical, scientific way. The nitty-gritty information in the following sections can help you use tried-and-true statistical tools to explain how your processes are performing.
Recognizing Different Types of Data
All data aren’t created equal. As you begin your quest to organize your data, you first need to know what type of performance data you have. Just as knowing what the fish are biting tells you which lure to use, knowing what kind of data you’re dealing with tells you which tools to use. This section defines two important data categories: attribute (also known as category) and continuous (also called variable); take a look at them in Table 9-1 and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.