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Finding Median of Grouped Data When Class Intervals Are Not Given

Following are...

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

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Solution

First of all arranging the data in ascending order of magnitude, we have

Here,, which is an odd number

Therefore, median is the value of

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Finding Median of Grouped Data When Class Intervals Are Not Given

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