Answer:
Il try So try to see what angle it is at
Step-by-step explanation:
Answer:
See explanation
Step-by-step explanation:
Required
The average
The data whose average is to be calculated are not given.
However, the formula to calculate the average is:

Assume the data is:

This means that the number of schools is 4
So:



<em>The average of the assumed data is 1238</em>
2,916 is going to be your answer, they were all multiplied by 3 hope this helps!
Standard error (SE)

Or

Therefore, SE of the mean = (8)/(2) =4