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Line 11: − The average of 3, 5, and 7 is <math>15 \div 3=5</math>. + + + + + + +
→Example of calculation
==Example of calculation==
==Example of calculation==
To calculate the average of 3, 5, and 7:
The total of the data is ,math> 3 + 5 + 7 = 15 </math>
There are 3 items in the data set.
So the '''average''' is <math>15 \div 3=5</math>.