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AP Statistics
Unit 8 – Chi–Squares
Topic 8.5
In a chi-squared test for independence, which is true about the expected counts?
Expected counts represent the number of observations in each category that would be expected if the null hypothesis is true
Expected counts are calculated based on observed counts and sample size
Expected counts must be at least 10 for the test to be valid
Expected counts should be higher than the observed counts
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AP Statistics - 8.5 Setting Up a Chi-Square Test for Homogeneity or Independence
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Chi-Squared Test for Independence
Expected Counts
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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