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AP Statistics
Unit 7 – Means
Topic 7.8
Which of the following is NOT a way to check the normality assumption in a two-sample t-test?
Examine the boxplot of the sample data for skewness or outliers.
Verify that the populations have equal variances.
Determine if the populations are normally distributed based on the question prompt.
Ensure each sample has a size of at least 30.
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AP Statistics - 7.8 Setting Up a Test for the Difference of Two Population Means
Key terms
Two-sample t-test
Normality assumption
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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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