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 14 Dec to 18 Dec?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 1.50 p.m. |
(a)
From 10 a.m. to 1.50 p.m.: 3 h 50 min
16 Dec is Sunday as it has the least patients.
(b)
Number of patients
14 Dec: 89
15 Dec: 50
16 Dec: 37
17 Dec: 61
18 Dec: 99
Total number of patients visiting the clinic
= 89 + 50 + 37 + 61 + 99
= 336
Answer(s): (a) 18 Dec; (b) 336