document.write( "Question 1018768: Suppose that the mean score of a class of 30 students was 76. The 16 male students in the class had a mean score of 72. What was the mean score for the 14 female students? \n" ); document.write( "
Algebra.Com's Answer #634785 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "The mean score of a class of 30 students was 76. \n" ); document.write( "Therefore total score was 30 x 76 = 2280. \n" ); document.write( "The 16 male students in the class had a mean score of 72. \n" ); document.write( "Therefore total score was 16 x 72 = 1152. \n" ); document.write( "The mean score of the 14 female students was:- \n" ); document.write( "(2280 - 1152)/14 = 1128/14 = 80.57 \n" ); document.write( "Proof: Male's mean + Female's mean = \n" ); document.write( " 72 + 80.57 = 152.57 \n" ); document.write( " 142.5/2 = 76.3 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |