Answers

2016-03-27T08:56:33+05:30
If number of observation is odd then n+1/2 If number of observation is even then n/2,n/2+1
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2016-03-27T09:29:51+05:30
If n is even, (n/2) or (n/2) + 1.... If n is odd: (n+1)/2
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