Answer:
the standard deviation of the means
Step-by-step explanation:
The standard error of the mean, also called <em>the standard deviation of the mean</em>, is a method used to estimate the standard deviation of a sampling distribution.
PLATO USERS
The answer is b I'm not to sure but I think its b
its about checkers cou nt and answer
Answer: 3.5a+5b=470 and a+b=115
11