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 16 Feb to 20 Feb?
Clinic opening hours |
Mon to Sat |
10 a.m. to 5 p.m. |
Sun |
10 a.m. to 2.50 p.m. |
(a)
From 10 a.m. to 2.50 p.m.: 4 h 50 min
18 Feb is Sunday as it has the least patients.
(b)
Number of patients
16 Feb: 88
17 Feb: 84
18 Feb: 31
19 Feb: 95
20 Feb: 69
Total number of patients visiting the clinic
= 88 + 84 + 31 + 95 + 69
= 367
Answer(s): (a) 20 Feb; (b) 367