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:

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Sample 1 2 +WN 3 4 not ∞ a 5 6 7 8 9 10 11 12 13 14 15 1010 995 990 1015 1013 994 989 1001 1006 992 996 1019 981 999 1013 Number Readings (in ohms) 985 1009 1015 1009 1005 994 982 996 1005 1006 997 991 991 996 1003 1020 1019 1001 992 986 989 1007 1006 996 991 993 1002 989 988 1005 986 994 1008 998 993 1005 1020 996 1007 979 989 1011 1003 984 992 Sample 1 2 +WN 3 4 not ∞ a 5 6 7 8 9 10 11 12 13 14 15 1010 995 990 1015 1013 994 989 1001 1006 992 996 1019 981 999 1013 Number Readings (in ohms) 985 1009 1015 1009 1005 994 982 996 1005 1006 997 991 991 996 1003 1020 1019 1001 992 986 989 1007 1006 996 991 993 1002 989 988 1005 986 994 1008 998 993 1005 1020 996 1007 979 989 1011 1003 984 992

Answer rating: 100% (QA)

Sample 1 2 3 4 mean range 1 1010 991 985 986 993 25 2 995 996 1009 994 9985 15 ... View the full answer