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Question 01.
The median of an ungrouped data and the median calculated when the same data is grouped are always the same. Do you think that this is a correct statement ? Give reason.
The median of an ungrouped data and the median calculated when the same data is grouped are always the same. Do you think that this is a correct statement ? Give reason.
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Solution
Not always, because for calculating median of a grouped data, the formula used is based on the assumption that the observations in the classes are uniformal distributed (or equally spaced).
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