8.DSP.A.4

Understand the patterns of association in bivariate categorical data displayed in a two-way table.

Example Problems
A bookstore surveyed customers on preferred book format.

FormatHardcoverPaperbackeBook
Students203545
Adults504010


How many students prefer
eBooks?
An online retailer surveyed customers on device used for shopping by region.

RegionDesktopMobileTablet
North8012020
South7011020


How many South region customers used desktop?
A tech conference surveyed attendees on session interest by role.

RoleTechnicalManagerialNetworking
Developer802030
Executive105040


How many developers are interested in networking?
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