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 13 Mar to 17 Mar?
Clinic opening hours |
Mon to Sat |
9 a.m. to 6 p.m. |
Sun |
9 a.m. to 1.45 p.m. |
(a)
From 9 a.m. to 1.45 p.m.: 4 h 45 min
16 Mar is Sunday as it has the least patients.
(b)
Number of patients
13 Mar: 95
14 Mar: 92
15 Mar: 64
16 Mar: 24
17 Mar: 89
Total number of patients visiting the clinic
= 95 + 92 + 64 + 24 + 89
= 364
Answer(s): (a) 16 Mar; (b) 364