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 8 patients per hour.
- Which date is most probably a Sunday?
- What is the total number of patients visiting the clinic from 22 Sep to 26 Sep?
Clinic opening hours |
Mon to Sat |
9 a.m. to 6 p.m. |
Sun |
9 a.m. to 1.15 p.m. |
(a)
From 9 a.m. to 1.15 p.m.: 4 h 15 min
26 Sep is Sunday as it has the least patients.
(b)
Number of patients
22 Sep: 52
23 Sep: 59
24 Sep: 79
25 Sep: 53
26 Sep: 28
Total number of patients visiting the clinic
= 52 + 59 + 79 + 53 + 28
= 271
Answer(s): (a) 26 Sep; (b) 271