How to solve 11th one
when mean= 57.6 20
Kindly refer the similar link for your query.
https://www.meritnation.com/ask-answer/question/the-mean-of-the-following-data-is-38-2-find-the-missing-f/statistics/5136245
Regards
https://www.meritnation.com/ask-answer/question/the-mean-of-the-following-data-is-38-2-find-the-missing-f/statistics/5136245
Regards