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stella.ledgerwo stella.ledgerwo
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2 weeks ago
AT&T would like to investigate if brand of smartphone and income level are independent variables. The following contingency table shows the number of customers who own three brands of smartphones along with their income level.



The test statistic for this sample is ________.

▸ 2.912

▸ 3.550

▸ 11.746

▸ 13.210
Textbook 

Business Statistics


Edition: 2nd
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CodebreakerCodebreaker
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13.210

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