Emergencies attended by fire brigade substations, May–October 2002 SubstationMayJuneJulyAugustSeptemberOctober A 12 15 17 21 13 17 B 18 21 15 18 18 19 C 10 11 19 21 23 18 D 17 17 19 12 18 10 E 12 15…
Question and options
Emergencies attended by fire brigade substations, May–October 2002
| Substation | May | June | July | August | September | October |
|---|---|---|---|---|---|---|
| A | 12 | 15 | 17 | 21 | 13 | 17 |
| B | 18 | 21 | 15 | 18 | 18 | 19 |
| C | 10 | 11 | 19 | 21 | 23 | 18 |
| D | 17 | 17 | 19 | 12 | 18 | 10 |
| E | 12 | 15 | 18 | 10 | 21 | 11 |
| F | 14 | 15 | 12 | 13 | 18 | 19 |
Which two months aggregated over 36% of the total number of emergencies in the six-month period?
- May and June
- July and October
- August and September
- July and September
Answer and explanation
Correct answer: D - July and September
Grand total = 83+94+100+95+111+94 = 577; 36% is about 207.7. July + September = 100 + 111 = 211 (36.6%) exceeds it, whereas August + September = 206 and the other pairs are lower.
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