... Business Report The percentile distribution can be calculated for each variable using the Excel function COUNTIF (Anderson, Sweeney, and Williams, 37-95). The results are presented in the tables below.
Table 1. Percent frequency distribution for qualitative variables
Type of Customer
Method of Payment
Proprietary Card, %
American Express, %
Most of the customers (70 %) used discount coupons. 70 % of customers (both regular and promotional) use proprietary cards. Typically, t...