The following data (in ohms) are the resistance of resistors made on an automated machine. The...
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The following data (in ohms) are the resistance of resistors made on an automated machine. The mean and range of each sample are given in the right two columns, and the mean of sample means and the mean of sample ranges are given below these. Resistance of Resistors (in Ohms) Sample Obs 1 Obs 2 Obs 3 Obs 4 1 1,006 998 1,007 1,002 Mean 1,003.25 Range 9 2 985 986 999 1,014 996.00 29 3 1,020 993 1,011 1,008 1,008.00 27 4 1,002 980 996 995 993.25 22 5 1,019 990 985 988 995.50 34 6 998 1,025 1,021 1,007 1,012.75 27 7 993 983 997 1,017 997.50 34 8 1,007 993 981 996 994.25 26 9 1,019 995 986 10 975 1,024 1,024 1,017 1,020 1,004.25 1,010.75 33 49 1,001.55 29.00 11 994 975 989 1,000 a-1. Develop sample mean and sample range control charts for resistance of resistors using the first 10 samples. Refer to Table 10-3. (Do not leave any empty spaces; input a O wherever it is required. Round the final answers to 3 decimal places.) Mean Range UCL a-2. Is the process in control? LCL The following data (in ohms) are the resistance of resistors made on an automated machine. The mean and range of each sample are given in the right two columns, and the mean of sample means and the mean of sample ranges are given below these. Resistance of Resistors (in Ohms) Sample Obs 1 Obs 2 Obs 3 Obs 4 1 1,006 998 1,007 1,002 Mean 1,003.25 Range 9 2 985 986 999 1,014 996.00 29 3 1,020 993 1,011 1,008 1,008.00 27 4 1,002 980 996 995 993.25 22 5 1,019 990 985 988 995.50 34 6 998 1,025 1,021 1,007 1,012.75 27 7 993 983 997 1,017 997.50 34 8 1,007 993 981 996 994.25 26 9 1,019 995 986 10 975 1,024 1,024 1,017 1,020 1,004.25 1,010.75 33 49 1,001.55 29.00 11 994 975 989 1,000 a-1. Develop sample mean and sample range control charts for resistance of resistors using the first 10 samples. Refer to Table 10-3. (Do not leave any empty spaces; input a O wherever it is required. Round the final answers to 3 decimal places.) Mean Range UCL a-2. Is the process in control? LCL
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