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 9 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 25 Jan to 29 Jan?
Clinic opening hours |
Mon to Sat |
9 a.m. to 6 p.m. |
Sun |
9 a.m. to 1.40 p.m. |
(a)
From 9 a.m. to 1.40 p.m.: 4 h 40 min
29 Jan is Sunday as it has the least patients.
(b)
Number of patients
25 Jan: 59
26 Jan: 86
27 Jan: 70
28 Jan: 54
29 Jan: 20
Total number of patients visiting the clinic
= 59 + 86 + 70 + 54 + 20
= 289
Answer(s): (a) 29 Jan; (b) 289