Central Limit Theorem: A sampling distribution of the mean is approximately normally distributed if the sample size is sufficiently large. This is true no matter what the population distribution is.

1. If you have a population with of 144.0, what will be for samples of size 100? Since is defined as and = 144, will be: 2. If you have a sample of 32 people and the ...

Statistics does not tell us whether we are right. It tells us the chances of being wrong. When an experiment is reproduced we almost never obtain exactly the same results. Instead, repeated ...