I think this is the answer
Answer:
4 ansences
Step-by-step explanation:
40 / 4 is 10 so ans is 10 absences
A sample of n=8 scores has a mean of m=12. What is the value of ∑x for this sample
Answer: We are given the mean of 8 scores is 12.
We are required to find the sum of these 8 observation's, 
We know that:

We are given:




Hence, sum of 8 observation's, 
2 miles.
This is because 2/3 times 3 equals 2.