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# Unit: Inference for categorical data: Chi-square

AP Stats:
DAT (BI)
,
DAT‑3 (EU)
,
VAR (BI)
,
VAR‑1 (EU)
,
VAR‑8 (EU)
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#### 0

Possible mastery points

## Chi-square test for goodness of fit

AP Stats:
DAT (BI)
,
DAT‑3 (EU)
,
DAT‑3.I (LO)
,
DAT‑3.I.1 (EK)
,
DAT‑3.J (LO)
,
DAT‑3.J.1 (EK)
,
DAT‑3.J.2 (EK)
,
VAR (BI)
,
VAR‑1 (EU)
,
VAR‑1.J (LO)
,
VAR‑1.J.1 (EK)
,
VAR‑8 (EU)
,
VAR‑8.A (LO)
,
VAR‑8.A.1 (EK)
,
VAR‑8.A.2 (EK)
,
VAR‑8.A.3 (EK)
,
VAR‑8.B (LO)
,
VAR‑8.B.1 (EK)
,
VAR‑8.C (LO)
,
VAR‑8.C.1 (EK)
,
VAR‑8.D (LO)
,
VAR‑8.D.1 (EK)
,
VAR‑8.E (LO)
,
VAR‑8.E.1 (EK)
,
VAR‑8.F (LO)
,
VAR‑8.F.1 (EK)
,
VAR‑8.F.2 (EK)
,
VAR‑8.G (LO)
,
VAR‑8.G.1 (EK)

### Practice

#### Quiz 1

Level up on the above skills and collect up to 320 Mastery points

## Chi square tests for relationships (homogeneity or independence)

AP Stats:
DAT (BI)
,
DAT‑3 (EU)
,
DAT‑3.I (LO)
,
DAT‑3.I.1 (EK)
,
DAT‑3.J (LO)
,
DAT‑3.J.1 (EK)
,
DAT‑3.K (LO)
,
DAT‑3.K.1 (EK)
,
DAT‑3.L (LO)
,
DAT‑3.L.1 (EK)
,
VAR (BI)
,
VAR‑8 (EU)
,
VAR‑8.H (LO)
,
VAR‑8.H.1 (EK)
,
VAR‑8.I (LO)
,
VAR‑8.I.1 (EK)
,
VAR‑8.I.2 (EK)
,
VAR‑8.J (LO)
,
VAR‑8.J.1 (EK)
,
VAR‑8.J.2 (EK)
,
VAR‑8.K (LO)
,
VAR‑8.K.1 (EK)
,
VAR‑8.L (LO)
,
VAR‑8.L.1 (EK)
,
VAR‑8.M (LO)
,
VAR‑8.M.1 (EK)
,
VAR‑8.M.2 (EK)

### Practice

#### Quiz 2

Level up on the above skills and collect up to 240 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 700 Mastery points!