Title: AT&T would like to investigate if brand of smartphone and income level are independent variables. ... Post by: stella.ledgerwo on Dec 30, 2021 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 Title: AT&T would like to investigate if brand of smartphone and income level are independent variables. ... Post by: Codebreaker on Dec 30, 2021 Content hidden
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