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Construct an X chart-R chart for the following data set (Leave no cells blank be certain...
uiz - Quality Control Saved Submit Help Save & Exit The postmaster of a small western town receives a certain number of complaints each day about mail delivery. DAY 2 4 7 10 11 12 13 14 6 Number of complaints 4 10 10 16 9 6 5 14 13 7 4 2 a.Determine three-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank...
Problem 10-7 The postmaster of a small western town receives a certain number of complaints each day about mail delivery DAY 7 89 10 11 12 13 14 5 13 15 1 2 3 4 5 7 6 4 2 10 8 6 4 11 14 Number of complaints a. Determine two-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank be certain to...
The postmaster of a small western town receives a certain number of complaints each day about mail delivery. 2 1 4 Number of complaints 3 14 4 8 5 9 6 6 DAY 8 13 7 5 9 14 10 7 11 6 12 4 13 2 14 11 11 a.Determine two-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank - be certain...
Problem 10-25 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 10.13. 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 READINGS (IN OHMS) 1014 1019...
The following are quality control data for a manufacturing process at Kensport Chemical Company. The data show the temperature in degrees centigrade at five points in time during a manufacturing cycle. Sample x R 1 95.72 1.0 2 95.24 0.9 3 95.18 0.9 4 95.48 0.4 5 95.46 0.5 6 95.32 1.1 7 95.40 1.0 8 95.44 0.3 9 95.08 0.2 9 10 10 95.50 0.6 11 95.80 0.6 12 95.22 0.2 13 95.60 1.3 14 95.22 0.5 15 95.04...
Problem 10-7 The postmaster of a small western town receives a certain number of complaints each day about mail delivery. 6 1 4 Number of complaints 2 10 3 14 4 8 5 9 DAY 8 13 7 5 9 13 10 7 11 6 12 4 13 2 14 9 6 a.Determine three-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank -...
Computer upgrades have a nominal time of 80 minutes. Samples of five observations each have been taken, and the results are as listed. SAMPLE 1 2 3 4 5 6 79.2 80.5 79.6 78.9 80.5 79.7 78.8 78.7 79.6 79.4 79.6 80.6 80.0 81.0 80.4 79.7 80.4 80.5 78.4 80.4 80.3 79.4 80.8 80.0 81.0 80.1 80.8 80.6 78.8 81.1 Factors for three-sigma control limits for x¯ and R charts FACTORS FOR R CHARTS Number of Observations in Subgroup, n...
Problem 10-7 The postmaster of a small western town receives a certain number of complaints each day about mail delivery. 1 4 2 10 3 15 4 8 5 9 6 6 7 5 DAY 8 13 9 15 10 7 11 6 Number of complaints a.Determine two-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank - be certain to enter "0" wherever...
Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table: SAMPLE n NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE 1 15 3 2 15 2 3 15 2 4 15 2 5 15 0 6 15 2 7 15 1 8 15 3 9 15 2 10 15 1 a. Determine the p−p−, Sp, UCL and LCL...
Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table: SAMPLE n NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE 1 15 2 2 15 0 3 15 3 4 15 3 5 15 3 6 15 1 7 15 3 8 15 2 9 15 0 10 15 3 a. Determine the p−p−, Sp, UCL and LCL...