Question

I need the answer to b please

Answer 1

mean = 16 1/3

median = 17

mode = 18

Explanation:

b.

mean = (10 + 12 + 12 + 15 + 15 + 16 + 16 + 17 + 18 + 18 + 18 + 18 + 19 + 20 + 21)/15

mean = 16 1/3 (the arithmetic average)

median = 17 (the middle one)

mode = 18 (the one that occurs the most)