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 19 Apr to 23 Apr?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 2.30 p.m. |
(a)
From 10 a.m. to 2.30 p.m.: 4 h 30 min
23 Apr is Sunday as it has the least patients.
(b)
Number of patients
19 Apr: 89
20 Apr: 71
21 Apr: 62
22 Apr: 82
23 Apr: 34
Total number of patients visiting the clinic
= 89 + 71 + 62 + 82 + 34
= 338
Answer(s): (a) 23 Apr; (b) 338