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 12 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 15 Nov to 19 Nov?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 2.20 p.m. |
(a)
From 10 a.m. to 2.20 p.m.: 4 h 20 min
18 Nov is Sunday as it has the least patients.
(b)
Number of patients
15 Nov: 80
16 Nov: 99
17 Nov: 74
18 Nov: 24
19 Nov: 100
Total number of patients visiting the clinic
= 80 + 99 + 74 + 24 + 100
= 377
Answer(s): (a) 18 Nov; (b) 377