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Unit: Chi-square tests for categorical data
AP Stats: DAT (BI), DAT‑3 (EU)
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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)
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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)
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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!
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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® is a registered trademark of the College Board, which has not reviewed this resource.