Problem 10-7 The postmaster of a small western town receives a certain number of complaints each...
Problem 10-7 The postmaster of a small western town receives a certain number of complaints each day about mail delivery. 1 4 Number of complaints 2 10 3 15 4 8 5 9 DAY 7 8 5 13 6 6 9 15 10 7 11 6 12 4 13 2 14 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...
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...
5. A hospital manager receives a certain number of complaints each day about the hospitals service. Complaints for 20 days are given in the Table 5 shown below. [10 Marks] s aiqel Day Number of Complaints Number of Complaints Day I IT 7 ET ST 8 9T LT 6T 8T 8T 6 61 OT (a what are the initial control limits? Based on the control chart limits calculated, does the (6 Marks] process exhibit statistical control? (b) If not, which...
Construct an X chart-R chart for the following data set (Leave no cells blank be certain to enter "O" wherever required. Do not round intermediate calculations. Round your answers to 2 decimal places.) Sub group No 6:00 10:00 14:00 18:00 22:00 Points Central line Lower control limit (LCL) Upper control limit (UCL)
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...
Inter State Moving and Storage Company is setting up a control chart to monitor the proportion of residential moves that result in written complaints due to late delivery, lost Items, or damaged items. A sample of 60 moves is selected for each of the last 12 months. The number of written complaints in each sample is 8, 7, 2, 3, 4, 5, 12, 7, 9, 6, 6, and 14. points Click here for the Excel Data File a. Insert the...
The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The means and ranges of the mortgage process transaction times, measured in days, are as follows: Sample 1 2 3 45678 9 10 11 12 13 14 15 Mean20 16 10 19 14 15 17...
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...
Please solve and explain steps thanks A sample of 200 ROM computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows: The data has been given so that it can be copied into R as a vecto. #### non.conforming = c(11, 21, 27, 16, 35, 17, 4, 22, 9, 22, 30, 18, 15, 21, 20, 19, 12, 23, 11, 22, 15, 16, 12, 26, 28, 14, 11, 17,...
Breeze Toothpaste Company has been having a problem with some of the tubes of toothpaste leaking. The tubes are packed in containers with 100 tubes each. Tencontainers of toothpaste have been sampled. The following number of toothpaste tubes were found to have leaks:Sample Number ofLeaky Tubes Sample Number ofLeaky Tubes1 4 6 62 8 7 103 12 8 94 11 9 55 12 10 8Total 85Develop a p-chart with 3-sigma control limits: (a) CL, (b) UCL, (c) LCL.Note. If the...
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