Information and IdeasVery hardRecognising a proportion that rose while a count fell
Information and Ideas practice question
A village school:
2010: 120 pupils, 30 of whom walked to school
2020: 80 pupils, 32 of whom walked to school
Which statement is best supported by the data?
- A. Although the school shrank, both the number and the share of pupils walking rose, from a quarter to two fifths.Correct
- B. The share of pupils walking fell.
- C. The number of pupils walking fell.
- D. The school grew between 2010 and 2020.
Answer: A. Although the school shrank, both the number and the share of pupils walking rose, from a quarter to two fifths.
30 of 120 is 25%; 32 of 80 is 40%. Both the count (30 → 32) and the share rose.
Why the other answers are wrong
- B. The share of pupils walking fell.
- The share rose.
- C. The number of pupils walking fell.
- 32 > 30.
- D. The school grew between 2010 and 2020.
- Pupils fell from 120 to 80.
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