document.write( "Question 489608: The mean of 10 scores is 14. Another 2 scores are included and the new mean is 16. What is the mean of the two new scores? \n" ); document.write( "
Algebra.Com's Answer #333769 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The mean of 10 scores is 14. \n" ); document.write( "--- \n" ); document.write( "Sum of the 10 scores is 10*14 = 140 \n" ); document.write( "---------------------- \n" ); document.write( "Another 2 scores are included and the new mean is 16. \n" ); document.write( "Sum of the 12 scores is 12*16 = 192 \n" ); document.write( "-----------------------\r \n" ); document.write( "\n" ); document.write( "What is the mean of the two new scores? \n" ); document.write( "Sum of the scores of the 2 added scores = 192-140 = 52 \n" ); document.write( "----------- \n" ); document.write( "Average of the 2 added scores = 52/2 = 26 \n" ); document.write( "=============================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |