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

62.5 , 23.5

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62.5 , 22.5

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63 , 25

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63.5 ,23.5

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Solution

The correct option is B
62.5 , 22.5

The mean of the data is = $\frac{S u m o f t h e o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

= $\frac{50 + 55 + 45 + 65 + 85 + 75}{6}$

= 62.5

Mean = 62.5

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

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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

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

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

The correct option is B
62.5 , 22.5

The mean of the data is = $\frac{S u m o f t h e o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

= $\frac{50 + 55 + 45 + 65 + 85 + 75}{6}$

= 62.5

Mean = 62.5

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