document.write( "Question 767293: I am taking a statistics class. My problem is....\r
\n" ); document.write( "\n" ); document.write( "The average (or mean)for 10 adults in a room is 35yo. A 32 yo enters the room now. Can you find the new average age for the 11 adults?\r
\n" ); document.write( "\n" ); document.write( "My textbook has the answer of 34.727 but I cannot figure out how it was found?
\n" ); document.write( "Please help!\r
\n" ); document.write( "\n" ); document.write( "Chrissy Long \n" ); document.write( "

Algebra.Com's Answer #467544 by ramkikk66(644) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Average of n values is nothing but the sum of the n values divided by n.
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document.write( "Therefore, if the average of n values is A, the sum of the n values nothing but
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document.write( "n*A.\r
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document.write( "Average age of 10 people is 35.
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document.write( "Therefore, the total age of the 10 people is = 35*10 = 350.
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document.write( "(Note that you don't really need to know the age of each person to solve this
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document.write( "problem - since you know the average)
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document.write( "After the 11th person enters, total age = total age of the 10 people + age of the
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document.write( "11th person = 350 + 32 = 382.
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document.write( "Now the room has 11 people with a total age of 382. 
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document.write( "So the new average age is
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document.write( "Hope you got it :) \n" );
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