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mine the UCL and LCL for a X chart. (Roun

mine the UCL and LCL for a X chart. (Roun

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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b. Determine X and R. (Round your answers to 3 decimal places.) X R c. Determine the UCL and LCL for a X chart. (Round your answers to 3 decimal places.) UCL LCL d. Determine the UCL and LCL for R-chart. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.) UCL LCL e. What comments can you make about the process? The process is out of statistical control. The process is in statistical control.
Transcribed Image Text:b. Determine X and R. (Round your answers to 3 decimal places.) X R c. Determine the UCL and LCL for a X chart. (Round your answers to 3 decimal places.) UCL LCL d. Determine the UCL and LCL for R-chart. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.) UCL LCL e. What comments can you make about the process? The process is out of statistical control. The process is in statistical control.
Resistors for electronic circuits are manufactured on a high-speed automated machine. The machine is set up to produce a large run of resistors of 1,000 ohms each. Use Exhibit 13.7. To set up the machine and to create a control chart to be used throughout the run, 15 samples were taken with four resistors in each sample. The complete list of samples and their measured values are as follows. Use three-sigma control limits. SAMPLE NUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14 15 READINGS (IN OHMS) 1026 1097 1094 978 1013 976 983 988 1014 995 991 1030 1016 991 1023 1014 977 1016 986 1011 982 1030 1026 983 1017 1017 1018 995 1010 982 981 994 1008 1020 1001 1004 995 1015 978 1017 1026 984 995 1007 988 970 1004 1028 1012 1019 983 990 987 994 1030 974 995 a. Calculate the mean and range for the above samples. (Round "Mean" to 2 decimal places and "Range" to the nearest whole number.) Sample Number 970 1027 1004 Mean Range
Transcribed Image Text:Resistors for electronic circuits are manufactured on a high-speed automated machine. The machine is set up to produce a large run of resistors of 1,000 ohms each. Use Exhibit 13.7. To set up the machine and to create a control chart to be used throughout the run, 15 samples were taken with four resistors in each sample. The complete list of samples and their measured values are as follows. Use three-sigma control limits. SAMPLE NUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14 15 READINGS (IN OHMS) 1026 1097 1094 978 1013 976 983 988 1014 995 991 1030 1016 991 1023 1014 977 1016 986 1011 982 1030 1026 983 1017 1017 1018 995 1010 982 981 994 1008 1020 1001 1004 995 1015 978 1017 1026 984 995 1007 988 970 1004 1028 1012 1019 983 990 987 994 1030 974 995 a. Calculate the mean and range for the above samples. (Round "Mean" to 2 decimal places and "Range" to the nearest whole number.) Sample Number 970 1027 1004 Mean Range
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