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 7 Aug to 11 Aug?
Clinic opening hours |
Mon to Sat |
9 a.m. to 6 p.m. |
Sun |
9 a.m. to 1.45 p.m. |
(a)
From 9 a.m. to 1.45 p.m.: 4 h 45 min
11 Aug is Sunday as it has the least patients.
(b)
Number of patients
7 Aug: 76
8 Aug: 88
9 Aug: 69
10 Aug: 96
11 Aug: 34
Total number of patients visiting the clinic
= 76 + 88 + 69 + 96 + 34
= 363
Answer(s): (a) 11 Aug; (b) 363