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Averages, Revision Notes


The mode is the value that occurs most often.

The mode of 20,22,25,26,28,22,25,22,28,20,26,22 is 22 as it occurs the most amount of times in the sequence.

The median is the middle value when the values are arranged in order of size.

To get the median of 14,21,17,11,19,15,16 we must first rearrange our values in ascending order


Our middle value of the sequence is 16 so this is our median

If we are getting the median of an even number of values we must get the average o...

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