This means that the sample mean is not systematically smaller or larger than the population mean. Or put another way, if we were to repeatedly take lots and lots (actually an infinite number) of samples, the mean of the sample means would equal the population mean.
Answer:
Step-by-step explanation:
i do believe you didn't write the whole problem
if m=-3
9-m=9-(-3)=9+3=12
Answer:
This, simplified would be 2x-10
Answer:
Step-by-step explanation:
Answer:
3+b
Step-by-step explanation:
So, you have 3 shelves and there is b books on each.
3+b