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 9 Jan to 13 Jan?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 1.30 p.m. |
(a)
From 10 a.m. to 1.30 p.m.: 3 h 30 min
13 Jan is Sunday as it has the least patients.
(b)
Number of patients
9 Jan: 88
10 Jan: 99
11 Jan: 55
12 Jan: 83
13 Jan: 34
Total number of patients visiting the clinic
= 88 + 99 + 55 + 83 + 34
= 359
Answer(s): (a) 13 Jan; (b) 359