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 7 Aug to 11 Aug?
Clinic opening hours |
Mon to Sat |
9 a.m. to 4 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
9 Aug is Sunday as it has the least patients.
(b)
Number of patients
7 Aug: 52
8 Aug: 79
9 Aug: 22
10 Aug: 93
11 Aug: 95
Total number of patients visiting the clinic
= 52 + 79 + 22 + 93 + 95
= 341
Answer(s): (a) 11 Aug; (b) 341