What proportion of all given transactions were conducted through the use of each type of credit card (including American Express, Discover, MasterCard, and Visa)?
Use Microsoft Excel and the EduToys Database Access file to complete the tasks that follow. (You do not need Microsoft Access to complete this problem.) The solution should include a separate worksheet for each question. Please answer each question by applying formulas, functions, tables, and/or PivotTables as appropriate. 1) How do EduToys’s past customers break down … Read more