Answer:
C. 279.3
Step-by-step explanation:
To find the mean of a set of numbers you have to add all of them together and divide them by how manys numbers there are
If we add all the numbers together it equals 2514
There are 9 numbers here
2514/9=279,333333
Therefore, the answer is C
look it up on the internet
Step-by-step explanation:
Sqrt(9)÷25= 0.12 I hope this helps!
