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Sample Average Mean Deviation

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Sample Average Mean Deviation. The mean absolute deviation of a dataset is the average distance between each data point and the mean. The average absolute deviation (aad) of a data set is the average of the absolute deviations from a central point.

How To Calculate Absolute Deviation And Average Absolute Deviation
How To Calculate Absolute Deviation And Average Absolute Deviation from img-aws.ehowcdn.com
For example, let's say the mean of your data set is 10, and you have 5 values: . Suppose we have a set of observations given by {2, 7, 5, 10} and we want to calculate the mean deviation about the . Now we start with a different data set:

Finding the sample mean is no different from finding the average of a set of numbers.

1, 1, 4, 5, 5, 5, 5, 7, 7, 10. Mean absolute deviation about the mean. The standard deviation is a summary measure of the differences of each observation from the mean. Finding the sample mean is no different from finding the average of a set of numbers.