(Solved): A national bookstore chain is trying to understand customer preferences at various store locations. ...

A national bookstore chain is trying to understand customer preferences at various store locations. The marketing department has acquired a list of 500 of the most recent transactions from four of its stores. The data set includes the record number (Record), which one of its four stores sold the book (BookStore), and the type of book sold (BookType). A portion of the data is shown in the accompanying table. 2 Click here for the Excel Data File a-1. Construct a contingency table. a-2. Which store had the most transactions? a-2. Which store had the most transactions? a-3. Which type of book had the most transactions? b-2. Which store has the most transactions for Romance books? b-3. Which store has the most transactions for Sci-fi books?