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 21 Apr to 25 Apr?
Clinic opening hours |
Mon to Sat |
10 a.m. to 7 p.m. |
Sun |
10 a.m. to 2.30 p.m. |
(a)
From 10 a.m. to 2.30 p.m.: 4 h 30 min
24 Apr is Sunday as it has the least patients.
(b)
Number of patients
21 Apr: 77
22 Apr: 63
23 Apr: 79
24 Apr: 25
25 Apr: 62
Total number of patients visiting the clinic
= 77 + 63 + 79 + 25 + 62
= 306
Answer(s): (a) 24 Apr; (b) 306