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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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stella.ledgerwo stella.ledgerwo
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2 years 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

Business Statistics


Edition: 2nd
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CodebreakerCodebreaker
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2 years ago
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stella.ledgerwo Author
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2 years ago
Smart ... Thanks!
alpheratz
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Yesterday
Correct Slight Smile TY
Gamiung3657
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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