1. The postmaster of a small western city receives a certain number of complaints each day |
about mail delivery. Construct a control chart with three sigma limits using the following data. Is the process in control? |
SAMPLE | ||||||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |
Number of complaints | 4 | 10 | 14 | 8 | 9 | 6 | 5 | 12 | 13 | 7 | 6 | 4 | 2 | 10 |
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2. The postmaster of a small western city receives a certain number of complaints each day about mail delivery. Construct a control chart with three sigma limits using the following data. Is the process in control? SAMPLE 1 2 3 4 5 6 7 8 9 10 11 12 13
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 10-7 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 -...
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...
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...
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...
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 the appropriate three-sigma control chart for the sample observations listed below. Determine the process standard deviation Observation 1 2 3 4 5 6 7 8 9 10 11 Number Defects per unit 9 4 3 5 6 3 4 2 3 2 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...
Calculate p-chart three-sigma control limits to asses whether the capping process is in statistical control. SHOW ALL WORK 17. Management at Webster, in Problem 16, is now concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are not being sealed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144. Several boxes are inspected, and the following numbers of leaking tubes are found: Sample Tubes...