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Question

The marks obtained in different subject by a student is 50 , 55 , 45 , 65, 85 , 75 . (i) Find the mean

ii) Difference between the highest score obtained by the student and the mean


A

62.5 , 23.5

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B

62.5 , 22.5

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C

63 , 25

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D

63.5 ,23.5

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Solution

The correct option is B

62.5 , 22.5


The mean of the data is = Sum of the observationsTotal number of observations

= 50+55+45+65+85+756

= 62.5

Mean = 62.5

Difference between the highest marks and Mean = 85 - 62.5 = 22.5


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