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 Jan to 20 Jan?
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
19 Jan is Sunday as it has the least patients.
(b)
Number of patients
16 Jan: 86
17 Jan: 97
18 Jan: 87
19 Jan: 25
20 Jan: 56
Total number of patients visiting the clinic
= 86 + 97 + 87 + 25 + 56
= 351
Answer(s): (a) 19 Jan; (b) 351