document.write( "Question 543859: Suppose that the mean score of a class of 31 students was 80. The 15 male students in the class had a mean score of 70. What was the mean score for the 16 female students? \n" ); document.write( "
Algebra.Com's Answer #354964 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Suppose that the mean score of a class of 31 students was 80. The 15 male students in the class had a mean score of 70. What was the mean score for the 16 female students? \n" ); document.write( "---------- \n" ); document.write( "Total points for the class: 80*31 = 2480 \n" ); document.write( "--- \n" ); document.write( "Total points for the boys: 15*70 = 1050 \n" ); document.write( "--- \n" ); document.write( "mean score for the girls: (2480-1050)/16 = 89.375 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |