Blog posts and articles with tips for analyzing data for quality improvement methodologies, including Six Sigma and Lean.
Can you trust your data?
That's the very first question we need to ask when we perform a statistical analysis. If the data's no good, it doesn't matter what statistical methods we employ, nor how much expertise we have in analyzing data. If we start with bad data, we'll end up with unreliable results. Garbage in, garbage out, as they say.
Wildfires in California have killed at least 40 people and burned more than 217,000 acres in the past few weeks. Nearly 8,000 firefighters are trying to contain the blazes with the aid of more than 800 firetrucks, 70 helicopters and 30 planes.
"Data! Data! Data! I can't make bricks without clay."
— Sherlock Holmes, in Arthur Conan Doyle's The Adventure of the Copper Beeches
It's a very exciting time at Minitab's offices around the world because we've just announced the availability of Minitab® 18 Statistical Software.
Have you ever had a probability plot that looks like this?