Mathematics for IGCSE & O level - Statistical Diagrams (Section 1 - No. 20)
If a histogram shows a symmetrical distribution, what can be inferred about the mean and median?
The mean is always greater than the median.
The median is always greater than the mean.
The mean and median are approximately equal.
The mean and median are unrelated.
คำอธิบาย
In a symmetrical distribution, the mean and median are approximately equal.