Question

What is the mean for the marks 85 ,76 ,90 ,85 ,39 ,48 ,56 ,95 ,81 ,75 (out of 100) of 10 students?

(a) 65
(b) 75
(c) 90

hint :

Using this formula :


Total marks
__________
Total students

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Answer 1

85+76+90+85+39+48+56+95+81+75÷10=

750÷10=75

therefore we can get mean as 75