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A correspondence table for non parametric and parametric tests 27 Aug 2013 | 05:00 pm
Most of the data that one can collect and analyze follow a normal distribution (the famous bell-shaped curve). In fact, the formulae and calculationsused in many analyses simply take it for granted th...
Creating Charts to Compare Month-to-Month Change, part 2 26 Aug 2013 | 04:59 pm
A member of Minitab's LinkedIn group recently asked how to create a chart to monitor change by month, specifically comparing last year's data to this year's data. My last post showed how to do this us...
Creating a Chart to Compare Month-to-Month Change 23 Aug 2013 | 04:59 pm
One member of Minitab's LinkedIn group recently asked this question: I am trying to create a chart that can monitor change by month. I have 2012 data and want to compare it to 2013 data...what chart ...
Curve Fitting with Linear and Nonlinear Regression 22 Aug 2013 | 04:00 pm
We often think of a relationship between two variables as a straight line. That is, if you increase the predictor by 1 unit, the response always increases by X units. However, not all data have a line...
Analyzing Baseball Park Factors: Home of the San Francisco Giants 21 Aug 2013 | 10:33 pm
Because I didn't trust the numbers on the ESPN web site, I calculated my own park factors using their formula. There’re a lot of interesting ways to look at the numbers, but one of the first things I ...
Using Minitab Statistical Software to Analyze the Woeful Bengals 20 Aug 2013 | 04:59 pm
by Jeff Parks, guest blogger Being a Cincinnati Bengals fan is tough. It's true that Bengals fans don't have it as bad as, say, long-suffering Chicago Cubs fans...nevertheless, the Bengals haven’t wo...
Hotshot Stats: Evaluating the Service Life of Smokejumper Parachutes 19 Aug 2013 | 04:18 pm
It’s wildfire season out West. Time to be in awe of the destructive power of Nature. According to active fire maps by the USDA Forest Service, over 300 fires are now burning across a total of 1.5 mil...
Finding Value in Your Fantasy Football Draft 16 Aug 2013 | 07:57 pm
When it comes to fantasy football, there is a common statistical term that comes up again and again. It’s "variation." From season to season, week to week, and even quarter to quarter, NFL players ca...
Using Multi-Vari Charts to Analyze Families of Variations 15 Aug 2013 | 05:00 pm
When trying to solve complex problems, you should first list all the suspected variables identify the few critical factors and separate them from the trivial many, which are not essential to understan...
Doing Gage R&R at the Microscopic Level 14 Aug 2013 | 05:00 pm
by Dan Wolfe, guest blogger How would you measure a hole that was allowed to vary one tenth the size of a human hair? What if the warmth from holding the part in your hand could take the measurement ...
