Current location - Training Enrollment Network - Mathematics courses - Wang Gang's test scores in eight units of mathematics this semester are as follows: 88, 87, 9 1, 89, 94, 85, 98, 100( 1). The average value of this set of data is _ _ _ _.
Wang Gang's test scores in eight units of mathematics this semester are as follows: 88, 87, 9 1, 89, 94, 85, 98, 100( 1). The average value of this set of data is _ _ _ _.
( 1)(88+87+9 1+89+94+85+98+ 100)÷8,
=732÷8,
=9 1.5;
(2) The given data are arranged in descending order: 85, 87, 88, 89, 9 1, 94, 98,100;