D F E G B H A 81 Problem 3 82 Houston North Hospital is trying to improve its image by providing a positive experience 83 for its patients and their relatives. Part of the "image" program involves providing tasty, 84 inviting patient meals that are also healthful. A questionnaire accompanies each meal 85 served asking the patient, among other things, whether he or she is satisfied or unsatisfied 86 with the meal. A 200-patient sample of the survey results over the past 3 weeks (21 days) 87 yielded the following data. The hospital wants to monitor this process. 88 (Use two digits after decimal point.) No. of unsatisfied 89 Sample patients 90 1 14 91 2 22 92 3 8 93 4. 20 5 12 95 6 26 96 7 17 8 21 9 17 99 10 22 11 26 12 94 97 98 100 101 7 A C 90 1 14 91 2 92 93 22 8 20 12 26 3 4. 5 6 7 94 95 96 17 21 97 8 98 17 9 10 99 100 11 101 12 22 26 7 34 18 102 13 103 14 104 24 26 105 106 15 16 17 18 19 20 21 12 24 107 108 18 109 25 28 110 111 112 113 Q1 Find the value of 3-sigma for establishing a proper control chart. 114 115 Q2 Construct the process control.chart by computing upper and lower control limits. Is the process mean in control? Why or why not? 116