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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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About this unit
Learn to test how well sample counts of a categorical variable fit some hypothesized distribution, or, if the distribution of a categorical variable is similar or not across multiple groups.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)
Learn
Practice
- Expected counts in a goodness-of-fit testGet 3 of 4 questions to level up!
- Conditions for a goodness-of-fit testGet 3 of 4 questions to level up!
- Test statistic and P-value in a goodness-of-fit testGet 3 of 4 questions to level up!
- Conclusions in a goodness-of-fit testGet 3 of 4 questions to level up!
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)
Learn
Practice
- Expected counts in chi-squared tests with two-way tablesGet 3 of 4 questions to level up!
- Test statistic and P-value in chi-square tests with two-way tablesGet 3 of 4 questions to level up!
- Making conclusions in chi-square tests for two-way tablesGet 3 of 4 questions to level up!
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