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 17 Jul to 21 Jul?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 2.40 p.m. |
(a)
From 10 a.m. to 2.40 p.m.: 4 h 40 min
20 Jul is Sunday as it has the least patients.
(b)
Number of patients
17 Jul: 57
18 Jul: 88
19 Jul: 93
20 Jul: 36
21 Jul: 76
Total number of patients visiting the clinic
= 57 + 88 + 93 + 36 + 76
= 350
Answer(s): (a) 20 Jul; (b) 350