Mathematics for IGCSE & O level - Statistical Diagrams (Section 3 - No. 1)
If there is an even number of data values, how is the median found?
By taking the mean of the middle two values
By taking the value in the middle
By identifying the value which appears most frequently
It is not possible to find a median with an even number of data values.
Giải thích
When there is an even number of data values, the median is found by averaging the two middle values.