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 21 Jan to 25 Jan?
Clinic opening hours |
Mon to Sat |
9 a.m. to 5 p.m. |
Sun |
9 a.m. to 1.20 p.m. |
(a)
From 9 a.m. to 1.20 p.m.: 4 h 20 min
25 Jan is Sunday as it has the least patients.
(b)
Number of patients
21 Jan: 60
22 Jan: 66
23 Jan: 82
24 Jan: 73
25 Jan: 36
Total number of patients visiting the clinic
= 60 + 66 + 82 + 73 + 36
= 317
Answer(s): (a) 25 Jan; (b) 317