Mean, Median, Mode and Range (AQA GCSE Maths): Flashcards
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Mode definition
Mode definition
Most frequently occurring value in a data set
Mode mnemonic
Mode mnemonic
Emphasise 'mo' for 'most'
Median definition
Median definition
Middle value when data arranged in order
Median with even number of values
Median with even number of values
Average of the two middle numbers
Mean definition
Mean definition
Average: sum of all values ÷ count
Mean formula
Mean formula
Mean = Total of all items ÷ Number of items
Range definition
Range definition
Difference between highest and lowest values
What range indicates
What range indicates
How spread out the data is
Golden rule for median
Golden rule for median
Arrange data in ascending order first
Possible number of modes
Possible number of modes
None, one (unimodal), or multiple (bimodal, trimodal, etc.)