PLEASE DO NOT COPY PASTE FROM CHEGG OTHERWISE I'LL REPORT YOU

Source: Stalistical abstract of the United States, 2007. p. 64). 4.012 3.15 (a) Use Excel to prepare a Pareto chart of the following data. (b) Which three complaint categorie account for approximately 80 percent of all complaints? (c) Which category should the telephon company focus on first? 3 Complaints Telephone Company Service Complaints, n=791 Customer Complaints Frequency Percent 350 Wait too long Service person nude Difficult to reach a real person Service person not helpful Automated instructions confusing Customer service phone number hard to find Automated voice annoying && 10.7% 13