Problem 1 A manager states that her process is really working well. Out of 1,500 parts, 1,477 were produced free of a particular defect and passed inspection. Based upon Six Sigma theory, how would you rate this performance, other things being equal? Problem 2 A metal fabricator produces connecting rods with an outer diameter that has a 14.01 inch specification. A machine operator takes several sample measurements over time and determines the sample mean outer diameter to be 1.002 Inches with a standard deviation of .003 Inch. a. Calculate the process capability Index for this example. b. What does this figure tell you about the process? Problem 3 I Resistors for electronic circults 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. 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: SAMPLE NUMBER READINGS (IN OHMS) 1010 991 985 986 995 996 1009 994 990 003 1015 1008 1015 1020 1009 998 1013 1019 1005 993 6 994 1001 994 1005 7 989 992 982 1020 B 1001 986 996 996 9 1006 989 1005 1007 10 992 1007 1006 979 11 996 1006 997 989 12 1019 996 991 1011 13 981 991 989 1003 14 999 993 988 984 15 1013 1002 1005 992 Develop an X-chart and an R-chart and plot the values. From the charts, what comments can you make about the process? (Use three-sigma control limits as in Exhibit 10.13.) 2 NONOODORAN- r electronic circuits are manufactured on a high-speed automated mach set up to produce a large run of resistors of 1,000 ohms each. To set up te a control chart to be used throughout the run, 15 samples were taken each sample. The complete list of samples and their measured values ar AMPLE NUMBER READINGS (IN OHMS) NAN 1 2 3 4 5 6 7 8 9 10 1010 995 990 1015 1013 994 989 1001 1006 992 996 1019 981 999 1013 991 996 1003 1020 1019 1001 992 986 989 1007 1006 996 991 993 1002 985 1009 1015 1009 1005 994 982 996 1005 1006 997 991 989 988 1005 986 994 1008 998 993 1005 1020 996 1007 979 989 1011 1003 984 992 11 - 12 13 14 15 X-chart and an R-chart and plot the values. From the charts, what comments t the process? (Use three-sigma control limits as in Exhibit 10.13.) Problem 1 A manager states that her process is really working well. Out of 1,500 parts, 1,477 were produced free of a particular defect and passed inspection. Based upon Six Sigma theory, how would you rate this performance, other things being equal? Problem 2 A metal fabricator produces connecting rods with an outer diameter that has a 14,01 inch specification. A machine operator takes several sample measurements over time and determines the sample mean outer diameter to be 1.002 inches with a standard deviation of .003 inch. a. Calculate the process capability Index for this example. b. What does this figure tell you about the process? Problem 3 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. 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: SAMPLE NUMBER READINGS (IN OHMS) 1 1010 991 985 986 2 995 996 1009 994 3 990 1003 1015 1008 4 1015 1020 1009 998 5 1013 1019 1005 993 6 994 1001 994 1005 7 989 992 982 1020 1001 986 996 996 9 1006 989 1005 1007 10 992 1007 1006 979 11 996 1006 997 989 12 1019 996 991 1011 13 981 991 989 1003 14 999 993 988 984 15 1013 1002 1005 992 NO. NON- Develop an X-chart and an R-chart and plot the values. From the charts, what comments can you make about the process? (Use three-sigma control limits as in Exhibit 10.13.)