calculate median of the following data:35,27, 23, 20, 15, 25, 40, 26, 23, 20.
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arrange in ascending order or descending order.
15 , 20 , 20 , 23 , 23 , 25 , 26 , 27 , 35 , 40
centre two numbers
23 + 25 / 2
48 / 2
24 is the median.
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Answer:
formulae of median
(n/2th + n/2+1th)
10/2th + 10+11/2th
5th + 6th /2
this means we have to use 5th + 6th/ observation.
15 + 25/2= 40/2= 20
median = 20
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