Depends on where you are in the math book but this would be the most simple way.
n= number
sqar(-1) = i
Answer:
Descriptive statistics
Explanation:
The population average is a descriptive statistic. It informs about how the population looks like, in this case, the population looks like having a average of 1000.
If, using her class's average where to infer the population average that is inferential statistic. But that is not the case
Answer: 12:14 21:18 42:36