The Consumer Financial Protection Bureau reports on consumer financial product and service complaint submissions by state, category, and company. The following table, stored in FinancialComplaints1

, represents complaints received from Louisiana consumers by complaint category for 2016.

a. Construct a Pareto chart for the categories of complaints.

b. Discuss the “vital few” and “trivial many” reasons for the categories of complaints.
The following table, stored in FinancialComplaints2 , represents complaints received from Louisiana consumers by most-complained-
about companies for 2016.

c. Construct a bar chart and a pie chart for the complaints by company.

d. What graphical method (Pareto, bar, or pie chart) do you think is best for portraying these data?

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Category Bank Account or Service Consumer Loan Credit Card Credit Reporting Debt Collection Mortgage Student Loan Other Number of Complaints Source: Data extracted from bit.ly/2pR7ryO. 202 132 175 581 486 442 75 12 72