the arithmetic mean of a set of 50 numbers is 38. if two numbers 45 and 55 are discarded the mean of the remaining set of numbers is ____ . need little help on this guys. thanks
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Better answer below. *disregard this*
Last edited by tricxta; Aug 3rd 2012 at 11:52 PM.
Originally Posted by rcs the arithmetic mean of a set of 50 numbers is 38. if two numbers 45 and 55 are discarded the mean of the remaining set of numbers is ____ . need little help on this guys. thanks You are told . Two of these terms are 45 and 55, so removing them gives There are now 48 terms, so the mean of these 48 terms will be .
thanks sir... but how did you get 1900?
Originally Posted by rcs thanks sir... but how did you get 1900?
If the arithmetic mean is 38, then their sum is 50*38 = 1900...
you are all God's gifts to all not so good in mathematics... God Bless guys
Originally Posted by Prove It You are told . Two of these terms are 45 and 55, so removing them gives There are now 48 terms, so the mean of these 48 terms will be . Thank you King of Proofs ProveIt
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