1. What percentage of overall complaints does discourteous service account for?
2. What percentage of overall complaints do the three most common complaints account for?
3. How does it affect the chart if we eliminate discourteous service?

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D Ele Edit View Insert Format Tools Daca 10 NO 72 Anal A1 Pareto Chart Reset Dota Slow service Cold dinner Cramped tables Atmosphere 12 B I U f Pareto Chart Complaint Number Discourteous server. 12 42 5 Sum Questions 20 10 89 € 4 4 € 4 Percent ▸ 13 48% 47 19% 5.62% 22 47% 11.24% ▸ ▸ ▸ ▸ Window Hep = Reply with changes... End Review.... $% Number of complaints 1 8 2 8 8 9 8 8 20 70 50 40 30 20 10 警車行 +0 .00 .0 192 MAR Slow service Cramped tables 100% Pareto Chart Discourteous sorver T Atmosphere Cold dinner Complaint A 100% 90% B0% 70% 60% 50% 40% 30% 20% 10% D% Cumulative % of complaints