 

Arithmetic Mean Arithmetic mean is total value of data divided by the number of sample. Other name: Average, Mean, Arithmetic average Formula: Property of Arithmetic mean:
Example: The following interactive program computes Arithmetic mean of a list of numbers separated by comma. Feel free to change the input values. What happen when you have an outlier (say, a very big number or very small number compared to the rest of the data)? Do you think Arithmetic mean is robust against outlier or susceptible to error?
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Preferable reference for this tutorial is Teknomo, Kardi. Mean and Average. http:\\people.revoledu.com\kardi\ tutorial\BasicMath\Average\




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