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 10 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 4 Mar to 8 Mar?
Clinic opening hours |
Mon to Sat |
9 a.m. to 5 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
6 Mar is Sunday as it has the least patients.
(b)
Number of patients
4 Mar: 52
5 Mar: 81
6 Mar: 21
7 Mar: 77
8 Mar: 89
Total number of patients visiting the clinic
= 52 + 81 + 21 + 77 + 89
= 320
Answer(s): (a) 8 Mar; (b) 320