There are currently six global credit card companies that allow worldwide usage–Visa, Mastercard, American Express, UnionPay, JCB, and Discover. The table gives a breakdown on the number of purchase transactions for each company in 2018.

a. One of the worldwide credit card transactions in 2018 is selected at random, and the credit card company is determined. What type of data (quantitative or qualitative) is measured?

b. For each credit card company in the table, calculate the percentage of the 2018 worldwide transactions.

c. Use the percentages from part b to construct a relative frequency bar graph for the data summarized in the table.

d. Based on the bar graph, make a statement about the most used credit cards worldwide.

Transcribed Image Text:

Credit Card Visa Mastercard American Express UnionPay JCB Discover Number of Worldwide Transactions (billions) 147.9 75.8 7.5 58.6 3.4 2.5