Question

The mean score of 12 students, in an examination was 52.5. Later on scrutiny, the scores of two students were 800 of which 350 were female. The total number of male workers would be??​

Answer 1

Step-by-step explanation:

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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Answer 2

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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