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Question
Following are the lives in hours of 15 pieces of the components of aircraft engine. Find the median:
715, 724, 725, 710, 729, 745, 694, 699, 696, 712, 734, 728, 716, 705, 719.
Solution
Lives in hours of is pieces are
= 715, 724, 725, 710, 729, 745, 694, 699, 696, 712, 734, 728, 719, 705, 705, 719.
Arrange the above data in a sending order
694, 696, 699, 705, 710, 712, 715, 716, 719, 721, 725, 728, 729, 734, 745
N = 15(odd)
Median `=((N+1)/2)^(th)` term
`=((15+1)/2)^(th)`term
= 8th term
= 716
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