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 9 Mar to 13 Mar?
Clinic opening hours |
Mon to Sat |
10 a.m. to 5 p.m. |
Sun |
10 a.m. to 1.30 p.m. |
(a)
From 10 a.m. to 1.30 p.m.: 3 h 30 min
12 Mar is Sunday as it has the least patients.
(b)
Number of patients
9 Mar: 80
10 Mar: 61
11 Mar: 69
12 Mar: 21
13 Mar: 93
Total number of patients visiting the clinic
= 80 + 61 + 69 + 21 + 93
= 324
Answer(s): (a) 12 Mar; (b) 324