Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 9 - No. 7)
What could make the mean misleading?
If some of the numbers are very high or low
If the numbers are all the same
If the numbers are all very big
If there are too many numbers
Spiegazione
The mean can be misleading if there are one or two very high or very low data values.