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Find the median for the following …

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Find the median for the following data Class: 130-140,140-150,150-160,160-170,170-180,180-190,190-200 Frequency: 5,9,17,28,24,10,7

Posted by Krishnajith Gopi 4 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 4 years, 4 months ago

Add all the frequencies first: 5 + 9 + 17 + 28 + 24 + 10 + 7 = 100 Divide the frequency total by 2 to find median:
100 ÷ 2 = 50th data
Calculate where the 50th number stands
5 + 9 + 17 + 28 = 59
So, this means the 50th person is in the geoup where frequency is 28
So, median = 160-170

0Thank You

ANSWER

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CBSE > Class 10 > Mathematics