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standard deviation

Distribution chart and details of my Monte Carlo simulation

Guesstimate

In my summary of Monte Carlo Simulators (May 2015), I said that they were good because they grant the use of ranges and allow you to see how changing the inputs affects the project; but the biggest problem was that they can take quite a bit of time to set up. Well, Guesstimate has… Read More »Guesstimate

Standard Deviation

Let’s pretend that your data (it could be anything, but those who know Kanban might want to pretend it’s Lead Time) is: 13, 18, 13, 14, 13, 16, 14, 21,13 The control chart that results from that data looks something like this:   So what are those two red lines?… Read More »Standard Deviation