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 9 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 2 Sep to 6 Sep?
Clinic opening hours |
Mon to Sat |
10 a.m. to 5 p.m. |
Sun |
10 a.m. to 1.20 p.m. |
(a)
From 10 a.m. to 1.20 p.m.: 3 h 20 min
4 Sep is Sunday as it has the least patients.
(b)
Number of patients
2 Sep: 72
3 Sep: 60
4 Sep: 27
5 Sep: 56
6 Sep: 77
Total number of patients visiting the clinic
= 72 + 60 + 27 + 56 + 77
= 292
Answer(s): (a) 6 Sep; (b) 292