Oh, How They Vary!
Last week we talked about normal distribution in your data. This week let’s kick the conversation off with non-normal distribution. There are a few different types of non-normal distribution, let’s take a look. Skewed distribution Skewed data is quite simply, a data distribution that is not symmetrical. Usually the longest tail points should point in […]
6Sigma Stats-Distribution Classes
As we continue our journey in Six Sigma it seems pertinent to discuss the different types of distributions you will see in your analysis. Let’s start with one at a time. The most common distribution is the Normal Distribution and here’s what you should know about it. First, what is a distribution? Simply put, a […]
Data Specifications: What You Need to Know
Last week we talked about understanding data and to continue with that thread, I want to talk about the specifics of collecting data. There are a few things to consider when you are deciding how to capture your data and before you make a decision consider these questions: What part of your business is making […]
MSA 101
We’ve talked about accuracy, repeatability and reproducibility in your MSA’s but now we need to talk about data integrity. Data Integrity Numbers shouldn’t lie, but when they do it is usually because somewhere along the line the integrity of the data didn’t hold up. Integrity Before you begin your analysis there are two questions you […]
One Last Thing About MSA…..
We all know my affinity for MSA but it wouldn’t be fair if we didn’t talk about the measurements for a bit. Six Sigma is built on measurements and the corner stone of effectiveness is to have measurements that are appropriate. So let’s dig in and figure out what defines appropriate measures. What makes it […]
