Question

Uri asked six friends how many different foreign countries they’d been to. He recorded 0, 1, 1, 2, 5, and 9 countries visited.

What is the mean absolute deviation of the number of countries visited? Round to the nearest tenth, if needed.

A.
0 countries

B.
2.7 countries

C.
2.9 countries

D.
3 countries

Answer 1

@geerky42

Answer 2

Do you have the standard deviation formula?

Answer 3

no

Answer 4

google it

Answer 5

Well the numbers add up to 18. Then you divide by 6 because there is 6 numbers so you do that and you have your answer.

Answer 6

3?

Answer 7

No that will be mean

Answer 8

Oh okay yes correct I read it as absolute standard deviation

Answer 9

ok thanx

Answer 10

No problem.