#### chriscorreia

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- May 3, 2014

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I want to be able to graph values associated with my martial arts school. I was having the fun discussion with a colleague about whether or not martial arts students (kids and adults) are "normal" and that led to speculating about normal distributions. We wondered about ranks/belt colors (each can have number, from 0 to 10) or ages (do we stay in a "sweet spot" or tend to say within one standard deviation of the mean), or heights (same as ages, perhaps).

I decided to do some graphs to visually illustrate these various profile values, but I am having a devil of a time.

So, for instance, with height, how can I do a graph/chart that shows the height values on the y axis and the students/occurrences on the x axis? In that way, I can see how it might resemble, or not, a normal distribution.

If there is a resource, link. thread, video that shows this, I'd be happy to take it and run with it.

Thanks in advance for your help.

(Both statistics and calculus in college, but that was 30 years ago . . .)