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An Average of a set is the sum of all values divided by the number of values.4+9 = 13There are two values (4 and 9), so the average is 13/2 or 6.5.
The average of a set of values is the sum of the values divided by the number of values.
Add together all the values and divide the sum by the number of values. For example, to find the average of 1, 2 and 9. Sum of 1, 2 and 9 = 12 Number of values = 3 So average = 12/3 = 4
The numerical average of a set of data is called x-bar. This is the sum of all values divided by the number of values.
A mean is an average (add up all the values and divide by the number of values). The mode is the most frequently appearing value.