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 11 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 6 Aug to 10 Aug?
Clinic opening hours |
Mon to Sat |
10 a.m. to 5 p.m. |
Sun |
10 a.m. to 2.30 p.m. |
(a)
From 10 a.m. to 2.30 p.m.: 4 h 30 min
10 Aug is Sunday as it has the least patients.
(b)
Number of patients
6 Aug: 98
7 Aug: 86
8 Aug: 77
9 Aug: 62
10 Aug: 23
Total number of patients visiting the clinic
= 98 + 86 + 77 + 62 + 23
= 346
Answer(s): (a) 10 Aug; (b) 346