Negative Numbers-Order these numbers in ascending order: -10, 5, -2, -18, 12
-18, -10, -2, 5, 12
4 of 9
-12+6 2+-8 -96-2
-6 -6 -98
5 of 9
Averages-how do you work out the Average?
Add all the numbers together and subtract them by the amount of numbers you added up :D
6 of 9
Averages-how do you work out the range?
To work out the range find the difference between the highest and lowest numbers .
7 of 9
Averages-how do you work out the mode?
put the numbers in order. Then count how many of each number. A number that appears most often is the mode
8 of 9
Averages-how do you work out the median?
In order to calculate the median, the data must first be ranked (sorted in ascending order). The median is the number in the middle. Median = the middle value of a set of ordered data.
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