Question

Calculate the average (arithmetic mean) of the list of numbers shown in the table. (rounded to the nearest tenth)
A) 13.0
B) 13.1
C) 13.2
D) 14.4

Answer 1

Do you know how to calculate the mean?

Answer 2

sorry I didn't respond quickly I didn't see that you had asked, but no

Answer 3

Add up all the values, then divide the sum by the # of values.

For example:

3 1 4

3 + 1 + 4 = 8

8/3

Answer 4

Add them all up, get 8, since there are three terms, we divide by three.

Answer 5

i keep doing that and getting it wrong

Answer 6

Make sure you are including the negative signs, and properly adding the fractions

Answer 7

ok