The mean is the most commonly used measure of average close. To calculate the mean, add the values together and divide the total by the number of values. If you place a set of numbers in order, the ...

The mode is the value which appears most often. 2.5 kg, 3.1 kg, 3.4 kg, 3.5 kg, 3.5 kg, 4 kg, 4.1 kg There is only one value that occurs twice, which is 3.5 kg. All other items occur only once. 2.5 kg ...