Here are the answers to question 1:


mean -

mean.JPG

median -

median2.JPG

median3.JPG

Mode -

mode.JPG




Here is the answer for question 2:
square_root_question.JPG


Here are the answers for question 3:

Yes. Because if you add the 10 percent and the 40 percent you get 50. The question asked if you take 10% then 40% off, is it the same as taking 50% off, and the answer was 50 so it is the same as taking 10% and 40% off.



Here are the answers for question 4:

1)
question01.JPG
2)
question_2.JPG
3)
question_3.JPG