document.write( "Question 589656: A set of n=6 scores has a mean of m=10 another set of scores has n=4 and M=15. If these two sets of scores are combined what is the mean of the combined group? \n" ); document.write( "
Algebra.Com's Answer #374927 by edjones(8007) You can put this solution on YOUR website! 10*6=60 \n" ); document.write( "15*4=60 \n" ); document.write( "---------Add \n" ); document.write( "====>120 \n" ); document.write( ". \n" ); document.write( "120/(6+4)=12 mean of the combined group. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |