The median of the numbers 1, 4, 7, 3, 9, 5, 3, 2, 7 is __ .
4
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Solution
The correct option is A 4 We know that, The median value or simply the median of a given number of observations is the middlemost value when the observations are arranged in ascending or descending order.
For odd number of observations the median is (n+12)th observation.
Now, arranging the data in ascending order we get, 1, 2, 3, 3, 4, 5, 7, 7, 9
Now median, =(9+12)th observation =5th observation i.e. 4.