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 23 Mar to 27 Mar?
Clinic opening hours |
Mon to Sat |
10 a.m. to 5 p.m. |
Sun |
10 a.m. to 1.15 p.m. |
(a)
From 10 a.m. to 1.15 p.m.: 3 h 15 min
25 Mar is Sunday as it has the least patients.
(b)
Number of patients
23 Mar: 67
24 Mar: 99
25 Mar: 23
26 Mar: 88
27 Mar: 57
Total number of patients visiting the clinic
= 67 + 99 + 23 + 88 + 57
= 334
Answer(s): (a) 27 Mar; (b) 334