The table shows the number of chocolate bars received by each girl at a funfair. Calculate the average number of chocolate bars received by each girl.
Number of chocolate bars received by each girl |
Number of girls |
5 |
24 |
10 |
30 |
15 |
26 |
20 |
15 |
25 |
15 |
Total number of chocolate bars
= 5 x 24 + 10 x 30 + 15 x 26 + 20 x 15 + 25 x 15
= 120 + 300 + 390 + 300 + 375
= 1485
Total number of girls
= 24 + 30 + 26 + 15 + 15
= 110
Average number of chocolate bars received by each girl
= 1485 ÷ 110
= 13.5
Answer(s): 13.5