Question

These values are standardized test scores. What is the mean score to the nearest tenth?

27.2 13.5 42.1 37.9 25.0
i got 29.14 and says its wrong? help

Answer 1

add em up, what do we have?

Answer 2

27.2
13.5
42.1
37.9
25.0
----
145.7

did i add correctly?

Answer 3

now since there are 5 numbers, divide the sum by 5

Answer 4

yes

Answer 5

i got 29.14 but says its wrong

Answer 6

145.7

100 + 45 + .7
-------------
5

20 + 9 + 7/50

29.14 seems good to me as well

lets dblchk with the wolf

Answer 7

pfft, nearest tenth

Answer 8

rnd it to 29.x

Answer 9

15?

Answer 10

i dont think 29.14 rounds to 15 ...

Answer 11

our choices for a round to the nearest tenth are either:

29.1 or 29.2

Answer 12

1

Answer 13

thank you

Answer 14

youre welcome :)