Q2: The pull strength of a wire-bonded lead for an integrated circuit was monitored. The following...
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Q2: The pull strength of a wire-bonded lead for an integrated circuit was monitored. The following table provides data for 20 samples each of size three. Sample Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Xi X2 15.4 15.6 15.3 15.4 17.1 15.2 16.1 16.1 13.5 13.5 12.5 10.2 18.3 16.1 17.0 14.1 12.4 11.7 14.1 12.4 11.7 15.6 13.3 13.6 13.9 14.9 15.5 18.7 21.2 20.1 15.3 13.1 13.7 16.6 18.0 18.0 17.0 15.2 18.1 16.3 16.5 17.7 8.4 7.7 8.4 11.1 13.8 11.9 16.5 17.1 18.5 18.0 14.1 15.9 17.8 17.3 12.0 11.5 10.8 11.2 a) Construct an appropriate control chart for the pull strength measurements. 6M b) Is the process under control? If not, what are the special causes? If the process is not under control, what are the revised control limits? 2M c) What are the lo and 2 o control limits for the process? Show them in the chart. 2M Q2: The pull strength of a wire-bonded lead for an integrated circuit was monitored. The following table provides data for 20 samples each of size three. Sample Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Xi X2 15.4 15.6 15.3 15.4 17.1 15.2 16.1 16.1 13.5 13.5 12.5 10.2 18.3 16.1 17.0 14.1 12.4 11.7 14.1 12.4 11.7 15.6 13.3 13.6 13.9 14.9 15.5 18.7 21.2 20.1 15.3 13.1 13.7 16.6 18.0 18.0 17.0 15.2 18.1 16.3 16.5 17.7 8.4 7.7 8.4 11.1 13.8 11.9 16.5 17.1 18.5 18.0 14.1 15.9 17.8 17.3 12.0 11.5 10.8 11.2 a) Construct an appropriate control chart for the pull strength measurements. 6M b) Is the process under control? If not, what are the special causes? If the process is not under control, what are the revised control limits? 2M c) What are the lo and 2 o control limits for the process? Show them in the chart. 2M
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Related Book For
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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