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 23 Dec to 27 Dec?
Clinic opening hours |
Mon to Sat |
9 a.m. to 4 p.m. |
Sun |
9 a.m. to 1.50 p.m. |
(a)
From 9 a.m. to 1.50 p.m.: 4 h 50 min
27 Dec is Sunday as it has the least patients.
(b)
Number of patients
23 Dec: 77
24 Dec: 86
25 Dec: 97
26 Dec: 72
27 Dec: 39
Total number of patients visiting the clinic
= 77 + 86 + 97 + 72 + 39
= 371
Answer(s): (a) 27 Dec; (b) 371