The following table shows the distribution of the number of girls enrolled in three schools A, B and C…
In 2019 the enrolments were 275, 150 and 199, which add up to 624. Dividing by the three schools gives \(624/3 = 208\). So the average is 208 girls.
Choose your answer
The following table shows the distribution of the number of girls enrolled in three schools A, B and C over the years 2017-2021. Based on the data in the table, answer the question:
| Year | A | B | C |
|---|---|---|---|
| 2017 | 200 | 150 | 100 |
| 2018 | 150 | 225 | 250 |
| 2019 | 275 | 150 | 199 |
| 2020 | 250 | 300 | 200 |
| 2021 | 300 | 250 | 275 |
Question: Average number of girls enrolled in the year 2019 in all the three schools is:
Answer and explanation
Correct answer A
In 2019 the enrolments were 275, 150 and 199, which add up to 624. Dividing by the three schools gives . So the average is 208 girls.
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