Add the values together and then divide the sum by how many values there are.
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the average is the sum of the value divided by the number of values
Add the values you wish to average, and divide by the number of values. For example: If I wanted to find the average of 1,2,3,4,5: (1+2+3+4+5)/(5)=3
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
To find the missing mean in a set of data, you first need to know the sum of all the values in the data set as well as the total number of values. Once you have this information, you can calculate the missing mean by dividing the sum of all the values by the total number of values. This will give you the average value of the data set, which is the missing mean.