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Unit: Chi-square tests for categorical data

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

0

Possible mastery points

Chi-square goodness-of-fit tests

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
Chi-square statistic for hypothesis testing
(Opens a modal)
Chi-square goodness-of-fit example
(Opens a modal)
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!

Quiz 1

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

Chi-square tests for relationships

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
Introduction to the chi-square test for homogeneity
(Opens a modal)
Chi-square test for association (independence)
(Opens a modal)
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-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!

Quiz 2

Level up on the above skills and collect up to 300 Mastery points
Up next for you:

Unit test

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

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® is a registered trademark of the College Board, which has not reviewed this resource.