Practicing Success
If the average score of 48 boys of a class is 120 , while the average score of 112 girls is 106 of the same class. Find the combined average of the class. |
104.2 102.7 98.7 110.2 |
110.2 |
Ratio of Boys Girls 48 112 3 : 7 = 10 ( sum of number of boys and girls ) Average of 120 106 ----------------------------- Total = 120 × 3 106 × 7 Total = 360 742
Average (combined) = \(\frac{360+ 742}{10}\) = 110.2 |