English, asked by tinkumastmalang, 10 months ago

the mean of marks obtained by 15 student is 63 if marks of two students were wrongly 73 instead of 78 and 59 instead of 69 find the correct mean

Answers

Answered by ashishraj84

11

Answer:DFSDSACSACDSAC

Explanation:

WEASDASFSCXZcZDSVDFSZXCDA

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