A student obtained the following marks in fifteen class tests are
15,12,19,14,21,15,22,14,19,17,20,18,17,19,17. Find the median marks.
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Answer:
17 is the median
as first we convert them to ascending
12 , 14,14,15,15,17,17,17,18,19,19,19,20,21,22
formula of median is ( n+ 1) / 2
like this 15+ 1 ÷2
16÷2 is 8
and 8th no. is 17 so 17 is ans
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