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A telephone company took 16 samples of 100 calls as shown below. Determine the appropriate 3...
Question pertains to the x-chart part Sample Mean Range 16 8 12 13 6 6 4 15 10 10 11 10 16 13 14 0 14 17 11 12 IU 12 12 11 13 14 12 7 8 13 9 11 14 7 13 15 10 15 Subsequently, samples of size 5 were taken from the process every week for the next 10 weeks. The times were measured and the following results oblained: Sample Mean Range 16 9 17 12...
Part 3 [35 Marks 3- The number of nonconforming switches in samples of size 75 are shown in Table 3. [20 Marks] Table 3 Number of Nonconforming Assemblies Number of Sample Nonconforming Number Sample Number Assemblies 6 7 11 1 15 12 2 0 13 1 3 9 14 3 4 5 15 6 5 1 16 8 4 17 10 7 5 18 5 7 19 2 9 12 20 7 10 (a) Construct a fraction nonconforming control chart...
kon over the past 10 days are given below. Sample size is 100. Day Defectives 1 7 2 9 3 9 4 11 5 7 6 8 7 0 8 11 9 13 10 2 a) The upper and lower 3-sigma control chart limits are: UCL, -(enter your response as a number between 0 and 1, rounded to three decimal places). LCL - Center your response as a number between 0 and 1, rounded to three decimal plocos). b) Given...
The Money Pit Mortoage Company is interested in monitoring the performance of the mortoage procees. Firieen samples of five compieted mortgage traneactions each were teken duing a period when the procees was beieved to be in control The times to complete the transsctons were meesured. The meens and ranges of the mongege process trensschon imes, measured in days, are as folows: Sample 1 2 3 4 9 10 11 12 13 14 15 Mean 13 11 5 14 12 13...
Data was collected from a textile finishing process. Samples were collected daily and the number of nonconformities were recorded. (recall more than one nonconformity can be present on each unit) Day Number of units produced Number of Nonconformities 1 13 60 2 12 43 3 19 55 4 14 44 5 18 55 6 13 40 7 24 61 8 15 49 9 16 66 10 11 41 Using Minitab: 1. Construct an appropriate control chart for the above data....
The data in the table below represent the number of nonconformities per 1000 meters in telephone cable. Sample Number Number of Nonconformities Sample Number Number of Nonconformities 1 1 12 6 2 1 13 9 3 3 14 11 4 7 15 15 5 8 16 8 6 10 17 3 7 5 18 6 8 13 19 7 9 0 20 4 10 19 21 9 11 24 22 20 Construct ‘c’ Chart for nonconformities for these data. Step...
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: b. Sample123456789 10 11 12 13 14 15 Mean 5 103 7 8 13 14 9 9 9 5...
Control Chart Question 1 Given the following sets of data, construct an appropriate control chart and recommend suitable control limits for future data. 1st Data Set Fraction non- #of defectives conforming # np d 1 10 2 8 3 12 4 5 10 6 11 7 9 10 12 10 11 11 31 12 32 13 10 14 8 15 12 16 10 17 11 18 9 19 10 20 8 sample size, n 300 =
The results of inspection of DNA samples taken over the past 10 days are given below. Sample size is 100. 10 Day Defectives 2 3 4 6 6 0 6 a) The upper and lower 3-sigma control chart limits are: UCLp(enter your response as a number between 0 and 1, rounded to three decimal places). LCL(enter your response as a number between 0 and 1, rounded to three decimal places). b) Given the limits in part a, is the process...
1) Triangle Packaging Machinery wants to test the quality of its cereal bag filling machines. The firm’s quality analyst took 35 samples of size 7 each from a cereal-bag-filling machine. The results were overall mean = 57.75 pounds; average range = 1.78 pounds. a) Determine the upper and lower control limits of the x-chart, where sigma = 3 b) Determine the upper and lower control limits of the R-chart, where sigma = 3 2) The results of an inspection of...