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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Golson Golson
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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 degrees of freedom for the critical value is ________.

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Textbook 
Business Statistics

Business Statistics


Edition: 2nd
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RezoVIIIRezoVIII
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2 years ago
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Golson Author
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2 years ago
Smart ... Thanks!
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Correct Slight Smile TY
taydav
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