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Question

The marks obtained by the students of a class, in an exam which was out of 50 marks is given below :

MarksNumber of students5172112163215246283325348396434452493

Find the mean for the ungrouped data.


A

29.94

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B

24

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C

28

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D

30.5

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Solution

The correct option is A

29.94


xififixi515721411222163482151052461442838432516034827239623443417245290493147

fi=50 fixi=1497

Mean =149750

=29.94


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