Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 6 - No. 48)
What can be said about the relationship between the mean and the median in a perfectly symmetrical distribution?
The mean is always greater than the median.
The median is always greater than the mean.
The mean and median are equal.
The mean and median are unrelated.
Explicació
In a perfectly symmetrical distribution, the mean and median are equal.