Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.

Popular Tutorials in Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.

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  What is a Normal Distribution?

  Ever heard of data following a normal distribution? How do you know if you're data follows normal distribution? This tutorial introduces normal distribution and shows you the characteristics of a normal distribution curve!