# Sampling distributions

AP Stats: UNC (BI), UNC‑3 (EU)

## What is a sampling distribution?

AP Stats: UNC‑3 (EU), UNC‑3.H (LO), UNC‑3.H.1 (EK), UNC‑3.H.5 (EK), UNC‑3.I (LO), UNC‑3.I.1 (EK)
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Introduction to sampling distributionsSample statistic bias worked example
Practice
Biased and unbiased estimatorsGet 3 of 4 questions to level up!

## Sampling distribution of a sample proportion

AP Stats: UNC (BI), UNC‑3 (EU), UNC‑3.K (LO), UNC‑3.K.1 (EK), UNC‑3.K.2 (EK), UNC‑3.L (LO), UNC‑3.L.1 (EK), UNC‑3.M (LO), UNC‑3.M.1 (EK)
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Sampling distribution of sample proportion part 1Sampling distribution of sample proportion part 2Normal conditions for sampling distributions of sample proportionsProbability of sample proportions exampleSampling distribution of a sample proportion example
Practice
The normal condition for sample proportionsGet 3 of 4 questions to level up!
Mean and standard deviation of sample proportionsGet 3 of 4 questions to level up!
Finding probabilities with sample proportionsGet 3 of 4 questions to level up!

## Sampling distribution of a sample mean

AP Stats: UNC (BI), UNC‑3 (EU), UNC‑3.H (LO), UNC‑3.H.2 (EK), UNC‑3.H.3 (EK), UNC‑3.H.5 (EK), UNC‑3.Q (LO), UNC‑3.Q.1 (EK), UNC‑3.Q.2 (EK), UNC‑3.R (LO), UNC‑3.R.1 (EK), UNC‑3.R.2 (EK), UNC‑3.S (LO), UNC‑3.S.1 (EK)
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Central limit theoremSampling distribution of the sample meanSampling distribution of the sample mean 2Standard error of the meanExample: Probability of sample mean exceeding a valueSampling distribution of a sample mean example
Practice
Mean and standard deviation of sample meansGet 3 of 4 questions to level up!
Sample means and the central limit theoremGet 3 of 4 questions to level up!
Finding probabilities with sample meansGet 3 of 4 questions to level up!