Mean is average so you sum up all 4 numbers and divide by 4. Answer is 27.6725 or rounded 27.67
Have a nice day. Hope this helps.
Ratio of girls to boys = 5/3
Number of girls in 40 students would be 3/5 * 40 = 24
Yes it is linear, you go up my fours in the y side and go down by two on the x side. The equation is y=2x+19
