Question

Find the mean of the following: 158, 213, 107, 213, and 213. If needed, round your answer to the nearest tenth.
Answer 181
180.8
107
213

Answer 1

add them all up and divide by 5. this should get you the answer

Answer 2

id subtract 213 from it all first; then add up the result and divide by 5 .... then add back the 213

Answer 3

(158, 213, 107, 213, 213) -213

(-55, 0, -106, 0, 0) -213

-55 -106 = -161 ; /5 + 213 = mean