This worksheet is about the three different types of averages and the range of a set of numbers.
Sum of the values divided by the number of values there are.
The middle value when you place the values in ascending order.
If there are two middle values, find the mean of these two middle values.
The most frequently occuring value or the most popular value.
This is not an average.
The highest value minus the lowest value.
Work out the mean, mode, median and range of the following set of numbers:
3.5, -4, 0, 3, 3.5, 7, 7.5, 0.5