SPC Homework Problem 1 Acme Hardware is concerned that their operation for making \" lock washers is not putting the proper piece count i The washers are packaged in boxes with a target of 100 washers each. Each sample has 10 boxes. Use the data on t table to determine if the Acme Hardware Company's process is in Statistical control by producing an R-Chart and an for the packing operation. Comment on your findings. Acme Hardware Sample 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Box Number 1 97 106 93 106 105 111 111 112 97 104 102 116 110 105 118 106 109 119 107 111 102 103 95 104 98 96 112 104 116 2 99 94 112 105 101 120 107 109 99 114 99 97 101 120 111 99 96 105 107 105 117 109 109 114 116 93 118 101 96 3 99 98 93 105 116 96 112 103 105 95 105 116 93 106 108 103 105 99 98 120 104 96 96 100 116 97 117 112 113 4 103 119 116 114 100 110 98 109 107 111 97 120 93 118 94 100 119 107 96 119 108 102 103 106 98 109 114 93 119 5 101 94 113 112 99 119 111 97 107 101 118 109 119 115 101 110 108 107 96 120 97 101 102 118 105 117 111 118 94 6 93 107 114 108 115 110 112 103 95 101 97 112 111 95 118 120 100 117 108 110 115 108 108 97 103 93 108 99 103 7 115 110 118 107 119 100 106 101 96 112 113 114 120 111 113 119 113 99 99 108 113 97 120 119 111 100 117 95 116 8 119 111 94 108 104 100 120 109 120 118 103 93 104 99 106 105 110 100 114 97 100 113 96 112 101 95 94 98 116 utting the proper piece count in the boxes. as 10 boxes. Use the data on the following producing an R-Chart and an X-bar Chart dings. 9 112 120 119 102 99 112 108 95 97 110 112 105 96 105 101 97 113 110 109 119 97 101 110 101 120 115 114 106 103 10 120 113 109 108 98 112 114 95 101 96 110 99 110 102 97 105 116 114 112 116 101 109 102 106 96 102 116 114 93 Acme Hardware Acme Hardware has an operation that produces \" bolts 2\" long. Due to a worn machine, the operation produc bad thread pattern that makes the bolt useless. The bolts come in bags of 100. From the data on the following ta 3 sigma control limits to assess whether the operation is in control. Sample NuNumber of Defects 1 8 2 10 3 0 4 9 5 7 6 15 7 2 8 15 9 5 10 3 11 15 12 13 13 15 14 3 15 6 16 0 17 5 18 6 19 10 20 7 21 7 22 8 23 2 24 14 25 12 26 1 27 0 28 2 29 15 30 6 machine, the operation produces some bolts with a om the data on the following table, calculate a p-chart ration is in control. Problem 3 There have been complaints that the sports page of the Dubuque Register has lots of typos. The last 6 days have been examined carefully and the number of typos/page is recorded below. Is the process in control using 2 sigma control limits? Day Number of Typos Monday Tuesday Wednesd ay 2 1 5 Thursday Friday Saturday 3 4 0 s of typos. The last 6 days have rocess in control using 2 sigma