Inferential Stats Flashcards
(3 cards)
1
Q
how should mean of samples compare to mean of population
A
mean of sample means should be equal to mean of population
2
Q
how should variance of distribution of sample means compare to variance of population
A
variance of distribution of means = variance of population / sample size
3
Q
central limit theorem
A
when N is large, the sampling distribution of sample mean is close to normal distribution
