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Question

Find the mean of the given data. 

Class intervalFrequency01007100200112003001530040094005008 



A

240

loader
B

230

loader
C

250

loader
D

190

loader

Solution

The correct option is C

250



Class MarkFrequencyfixi5073501501116502501537503509315045083600

fi=50

fixi=12500

Mean = fixifi

Mean =1250050

          =250


Mathematics

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