Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 1 - No. 39)
When working with grouped data, how is the median estimated?
By adding the highest and lowest values and dividing by two.
By finding the middle value of the data.
By identifying the class in which the median lies.
By calculating the average of all the frequencies.
Explanation
The median is estimated by identifying the class containing the middle value.
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