Question

its an an attachment i will give a medal

Answer 1

for the first, i would say a. because parents will give a reliable answer on how well their kids are doing on homework

Answer 2

for the second one, 5.4

Answer 3

for the first, i agree with @Jamierox4ev3r it is A

Answer 4

wait but it is asking for the mean absolute deviation of the data, not the mean

Answer 5

@hihihii

Answer 6

oh yeah, my bad!

Answer 7

:P good job on finding the normal mean tho lol

Answer 8

haha thanks! :p

Answer 9

because it is indeed 5.4