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 5 Aug to 9 Aug?
Clinic opening hours |
Mon to Sat |
10 a.m. to 6 p.m. |
Sun |
10 a.m. to 1.15 p.m. |
(a)
From 10 a.m. to 1.15 p.m.: 3 h 15 min
9 Aug is Sunday as it has the least patients.
(b)
Number of patients
5 Aug: 84
6 Aug: 62
7 Aug: 78
8 Aug: 74
9 Aug: 26
Total number of patients visiting the clinic
= 84 + 62 + 78 + 74 + 26
= 324
Answer(s): (a) 9 Aug; (b) 324