if the weight of five puppies in kilograms are 3.5, 3.0, 4.2, 5.0 and 4.3, then mean weight of the puppies is?
- 3.5 kg
-
4.0 kg
- 4.2 kg
- 5.0 kg
The correct answer is: B
Explanation
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
thus we have;
mean = 3.5 + 3.0 + 4.2 + 5.0 + 4.3 = 20 / 5 = 4