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# Unit: Sampling distributions

AP Stats:
UNC (BI)
,
UNC‑3 (EU)
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#### 0

Possible mastery points

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)

## Biased and unbiased point estimates

### Practice

#### Quiz 1

Level up on the above skills and collect up to 240 Mastery points

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)

## Sampling distributions for differences in sample proportions

AP Stats:
UNC (BI)
,
UNC‑3 (EU)
,
UNC‑3.N (LO)
,
UNC‑3.N.1 (EK)
,
UNC‑3.N.2 (EK)
,
UNC‑3.O (LO)
,
UNC‑3.O.1 (EK)
,
UNC‑3.P (LO)
,
UNC‑3.P.1 (EK)

### Practice

#### Quiz 2

Level up on the above skills and collect up to 400 Mastery points

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)

## Sampling distributions for differences in sample means

AP Stats:
UNC (BI)
,
UNC‑3 (EU)
,
UNC‑3.T (LO)
,
UNC‑3.T.1 (EK)
,
UNC‑3.T.2 (EK)
,
UNC‑3.U (LO)
,
UNC‑3.U.1 (EK)
,
UNC‑3.U.2 (EK)
,
UNC‑3.V (LO)
,
UNC‑3.V.1 (EK)

### Practice

#### Quiz 3

Level up on the above skills and collect up to 320 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1200 Mastery points!