Question 4
(a) The table below shows the ages of students admitted in a hospital.
Use the information to answer the following questions:
(i) What is the modal age?
(ii) Calculate, correct to two decimal places, the mean age of the students.
(b) Rice is sold at GHc 56.00 per bag of 50 kg. A trader bought some bags of rice and paid GHc 1,344.00.
(i) How many bags of rice did the trader buy?
(ii) If the trader retailed the bags of rice at GHc 1.40 per kg, how much profit was made on 1 kg of rice?
| Age(years) | 10 | 11 | 12 | 13 | 15 | 15 |
|---|---|---|---|---|---|---|
| No of Students | 5 | 1 | 7 | 10 | 3 | 4 |
Use the information to answer the following questions:
(i) What is the modal age?
(ii) Calculate, correct to two decimal places, the mean age of the students.
(b) Rice is sold at GHc 56.00 per bag of 50 kg. A trader bought some bags of rice and paid GHc 1,344.00.
(i) How many bags of rice did the trader buy?
(ii) If the trader retailed the bags of rice at GHc 1.40 per kg, how much profit was made on 1 kg of rice?
Theory