To find the mean for a set of numbers you add all of the numbers to get a total. 10.7+10.8+4.5+11.2= 37.2 37.2 is the total of all the numbers You have 4 numbers that you added together take your total which is 37.2 and divide it by 4 37.2÷4= 9.3 Your answer would be 9.3
