The bar graph shows the number of patients visiting a clinic during a period of time. The average number of patients visiting the clinic is 10 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 1 Aug to 5 Aug?
Clinic opening hours |
Mon to Sat |
9 a.m. to 5 p.m. |
Sun |
9 a.m. to 1.30 p.m. |
(a)
From 9 a.m. to 1.30 p.m.: 4 h 30 min
3 Aug is Sunday as it has the least patients.
(b)
Number of patients
1 Aug: 94
2 Aug: 68
3 Aug: 21
4 Aug: 63
5 Aug: 69
Total number of patients visiting the clinic
= 94 + 68 + 21 + 63 + 69
= 315
Answer(s): (a) 5 Aug; (b) 315