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how do you calculate mean median mode and range of a data set. In a perfectly symmetrical distribution the mean and the median are the same. Divide the sum of the numbers by the amount of numbers.
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For example suppose the set of numbers contains the values 22 23 25 26. Similarly to mean and median the mode is used as a way to express information about random variables and populations. In this case the median is the arithmetic mean average of the two middle values.
This would give you the mean of the data.
The mode is 3. For the data set 1 1 2 6 6 9 the median is 4. Median - The median is the middle number of the data set. In Microsoft Excel a median is calculated by using the MEDIAN function.
