The mean score of 12 students in an examination was 52.5 later on scrutiny the score of two students were 800 of which 350 were female the total no. of male workers would be
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52.6 option is the correct answer
igaurav23:
how?
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Sum of scores of 12 students=12×52.5=630
New sum of score =630-45-51+40+62=636
Correct mean = 636/12 = 53
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