Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 7 - No. 43)
What do you use to compare and interpret the data?
The size of the data values
How spread out the data is
Mean
Median
Explanation
When you compare the sets of data, you need to look at the size of the data, how spread out the data is, using different types of average like mean and median.
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