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 12 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 8 Feb to 12 Feb?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 2.15 p.m. |
(a)
From 10 a.m. to 2.15 p.m.: 4 h 15 min
11 Feb is Sunday as it has the least patients.
(b)
Number of patients
8 Feb: 89
9 Feb: 90
10 Feb: 97
11 Feb: 24
12 Feb: 91
Total number of patients visiting the clinic
= 89 + 90 + 97 + 24 + 91
= 391
Answer(s): (a) 11 Feb; (b) 391