Sampling Distributions

Question 1

Distinguish between data and population distribution

Answer 1

Data distributions are taken from a sample, Population distributions are taken from the population

Question 2

What is a sampling distribution of a statistic?

Answer 2

The probability distribution that specifies probabilities for the possible values the statistic can take.

Question 3

How does a large sample size influence the distribution?

Answer 3

Usually creates an approximately normal distribution.

Question 4

what is central limit theorem?

Answer 4

The sampling distribution of the sample mean often has approximately a normal distribution regardless of the shape of the population distribution.