橐例1：某餐厅的顾客满意度调查： 抱怒种类 总件数 百分比 果计百分比 1.cold food 105 (105/260)40% 40% 2.salad not fresh 94 (94/260)35% 75% 3.lack of cleanliness 25 (25/260)10% 85% 4.poor service 13 (13/260)5% 90% 5.food tastes bad 10 (10/260)4% 94% 6.food too greasy 9 (9/260) 4% 98% 7.flimsy utensils 2 (2/260)1% 99% 8.not courtesy 2 (2/260)1% 100% ☑dament of udustrtal已egincening案例1:某餐厅的顾客满意度调查： 抱怨种类 总件数 百分比 累计百分比 1. cold food 2. salad not fresh 3. lack of cleanliness 4. poor service 5. food tastes bad 6. food too greasy 7. flimsy utensils 8. not courtesy 105 (105/260) 40% ( 94/260) 35% ( 25/260) 10% ( 13/260) 5% ( 10/260) 4% ( 9/260) 4% ( 2/260) 1% ( 2/260) 1% 40% 75% 85% 90% 94% 98% 99% 100% 94 25 13 10 9 2 2