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Question

Find the median of the following data
25,21,18,27,29,16,22,15

A
21.5
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B
27.5
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C
21
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D
16
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Solution

The correct option is A 21.5
Arranging the data in ascending order of magnitude
15,16,18,21,22,25,27,29
Since there are 8, i.e. an even number of observation
therefore, median = arithmetic mean of (82)th and (82+1)th observation
Median = 21+222=21.5

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