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Question

If we want to find the median, first we should arrange in ascending or descending order. Then we should find the middle number to take it as median. But if we get two numbers as Middle number , what we should do ?

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Solution

Yes to find the median for the ungrouped data, we first need to arrange the data in ascending order.Case1: When the number of terms "n" is odd, then there is only one middle termwhich is given by n+12th term.Thus in case when "n" is odd, the median is the observation that appears at n+12th term.Case 2: When the number of terms "n" is even, then there are two middle termswhich are given by n2th term and n2+1th termIn this case, the median is the mean of the above two middle terms. Median=n2th term + n2+1th term2

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