Un 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 countries visited?

Round to the nearest tenth, if needed.

A. 0

B. 2.7

C. 2.9

D. 3

Question

Mathematics

Johnathon Whitehead

29 January, 09:08

Un 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 countries visited?

Round to the nearest tenth, if needed.

A. 0

B. 2.7

C. 2.9

D. 3

+5

Answers (1)

Know the Answer?

Alayna Lin · Answer 1

MAD = Σ|x - mean|/n

mean = (0 + 1 + 1 + 2 + 5 + 9) / 6 = 18/6 = 3

MAD = (|0 - 3| + |1 - 3| + |1 - 3| + |2 - 3| + |5 - 3| + |9 - 3|) / 6 = (3 + 2 + 2 + 1 + 2 + 6) / 6 = 16/6 = 2.7 countries.

Un asked six friends how many different foreign countries they'd been to. He recorded 0, 1, 1, 2,5, and 9 countries visitedWhat is the mean absolute deviation of countries visited?Round to the nearest tenth, if needed.A. 0B. 2.7C. 2.9D. 3

Un 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 countries visited?

Round to the nearest tenth, if needed.

A. 0

B. 2.7

C. 2.9

D. 3