process documentation.

This is a video I used earlier this year in my statistic class. It shows the user step by step how to use a formula to calculate a Z-score.  A z-score calculate how far a number is from what is considered the average deviation.   The gentleman in this video describes what each part of the formula represents, how to calculate it and also how to interpret the results of the calculation.  I think he did a great job simplifying the formula. Although there are other parts to the entire process, the video shows exactly what it promises.  The only thing I would change is to show how he arrived to the mean and standard deviation before implementing the formula, but he went on the assumption that those values were given, which is ok.



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