AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: CHI-SQUARE
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A company wants to compare whether customers from two different regions (Region 1 and Region 2) have the same distribution of preferred customer-service contact method (Phone, Email, Chat, In-person). Independent random samples of customers are taken from each region. The results are shown in a table. Which chi-square test is appropriate, and what are the correct hypotheses? State clearly whether this is one sample or multiple groups.
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