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 10 Dec to 14 Dec?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 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
13 Dec is Sunday as it has the least patients.
(b)
Number of patients
10 Dec: 61
11 Dec: 97
12 Dec: 59
13 Dec: 38
14 Dec: 67
Total number of patients visiting the clinic
= 61 + 97 + 59 + 38 + 67
= 322
Answer(s): (a) 13 Dec; (b) 322