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            Data Distributions Made Easy

Look at the website listed below and examine at least four situations in which the mean of the distribution was changed.

Normal Density Plotter

Answer these questions:

bulletWhat effect was produced in the shape of the distribution when the mean was increased?
bulletWhat effect was produced in the shape of the distribution when the mean was decreased?
 

If you wish a bit more information, look at this example of "balls and pins" that demonstrates how samples of random events may tend toward normal distributions.