The mean is the most commonly used measure of average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: \(\text{mean} = \frac{\text{sum of all the ...
The range of a set of numbers is the largest value, subtract the smallest value. \(range = largest~number - smallest~number\) 7 babies are weighed and weigh the following amounts: 2.5 kg, 3.1 kg, 3.4 ...
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