Answer: 
Step-by-step explanation:
We know that if the population is normally distributed with mean
and standard deviation
, then the sampling distribution of the sample mean ,
is also normally distribution with :-
Mean : 
Given : The scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean 
Then , the mean of the average scores you get will be close to 
Answer:
step 2
Step-by-step explanation:
72/8 does not equal 8. It equals 9
Answer:
4a plus or minus 1b
Step-by-step explanation:
Answer:
Negative with little correlation
It has negative slope if you imagine a line