Can I see how to plot the U- chart to make comparison?

Outlines: 1. Make a statistical analysis and give a statement regarding the statistical control of the process. 2. Should the defective definitions and the acceptance criteria be made more precise? 3. What is the assumption made? Discussions: i) Make a statistical analysis and give a statement regarding the statistical control of the process. ii) What is the assumption made? Question: Each day a clerk inspects the waybills of a small overnight air freight company for errors. Data are collected as shown in the table: Date Number Count of Date Number inspected Count of nonconformities inspected 30/1 10 nonconformities 120 14/2 85 31/1 82 92 94 15/2 101 1/2 140 96 89 16/2 2/2 42 60 115 162 17/2 97 3/2 108 121 150 18/2 4/2 92 56 108 82 19/2 100 5/2 131 120 143 20/2 115 6/2 119 98 134 21/2 7/2 99 102 93 97 22/2 57 8/2 115 88 145 23/2 39 9/2 38 107 128 24/2 101 10/2 71 105 83 25/2 122 11/2 95 143 120 26/2 12/2 105 103 132 116 27/2 98 13/2 113 100 127 28/2 48 60