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Daily Archive March 6th, 2019

How to eyeball a standard deviation

Filed in Encyclopedia ,Ideas ,R
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TEST YOUR ESTIMATION SKILLS Click to enlarge Suppose you are looking at the roughly normally distributed data above and you want to visually estimate the standard deviation. What would you guess? 20? 35? How would you do it? In a past post we talked about tips for drawing a normal distribution. In it, we noted […]