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Given the following data, calculate the following: calculate to 1 decimal place - if your answer...
A bank collects data on the number of loan applications filled incorrectly each day to construct...
A bank collects data on the number of loan applications filled incorrectly each day to construct a np-chart. Data from the previous 10 days indicate the following number of loan applications filled incorrectly per day in a sample size of 25 per day. Day Incorrect loan applications/day 1 5 2 7 3 6 4 5 5 8 6 4 7 4 8 5 9 5 10 6 Question 1. Calculate the average number of incorrect loan applications per sample and...
I. Given the following table of coating weights for samples of size n-4: (a) Calculate the x 's a...
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I. Given the following table of coating weights for samples of size n-4: (a) Calculate the x 's and R's for samples 2 through & (b) Calculate the X and R values for all cight samples (c) Determine the appropriate constants that would be used with this data to constructx and R control charts, and calculate the control limits Range 18.5 17.9 19.6 22.2 16.5 19.0 2021.2 20.5 20.3 18.90 19.8 20.4 22.8 19.0 20.7 22.2 20.5...
; = 1190 i=1 X; = 7815 and i=1 and R are to be set up...
; = 1190 i=1 X; = 7815 and i=1 and R are to be set up for an important quality characteristic. The sample size isn = 5, and X and r are computed for each of 35 preliminary samples. The summary data are: Control charts for Round your answers to 2 decimal places (e.g. 98.76). (a) Find trial control limits for and R charts. X Control Limits: UCL = CL = LCL = R Control Limits: UCL = CL =...
8 have been gathered with the following results A services process is monitored using x-bar and...
8 have been gathered with the following results A services process is monitored using x-bar and R charts. Eight samples of n5 observations Sample 2 4 Mean 7.2 7.4 6.6 6.8 7.9 6.0 7.2 6.2 Range .43 .52 .53 20 .36 .42 .35 .42 7 8 Using this data, compute the centerline, the 3 sd upper control limit, and the lower control limits for the x-bar and R charts X-bar R-bar UCL r-bar LCL r-bar UCL x-bar LCL x-bar a....
Temperature is used to measure the output of a production process. When the process is in...
Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is L= 122.5 and the standard deviation is o 0.4 (a) Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.) UCL LCL Construct the x chart for this process. 123.50t 123.50t UCL 123.25- 123.25 UCL 123.00 123.00 122.75 122.75 122.50 122.50 122.25t 122.25 122.00...
Perform each task, given the following sample data. (Round your answers to one decimal place.)
Perform each task, given the following sample data. (Round your answers to one decimal place.) 4 9 7 4 10 8 (a) Use the Sample Variance Definition to find the variance and standard deviation of the data. (b) Use the Alternative Formula for Sample Variance to find the variance and standard deviation of the data.
The following are quality control data for a manufacturing process at Kensport Chemical Company. The data...
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...
Temperature is used to measure the output of a production process. When the process is in...
Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is μ = 126.5 and the standard deviation is σ = 0.4. (a)Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.) UCL= LCL= Construct the x bar chart for this process. (b) Consider a sample providing the following data. 126.8 126.2 127.1 126.7 126.4...
Control charts for and R are to be set up for an important quality characteristic. The...
Control charts for and R are to be set up for an important quality characteristic. The sample size is n 5, and X and r are computed for each of 35 preliminary samples. The summary data are: X,7802 and ,r 1180 Round your answers to 2 decimal places (e.g. 98.76). (a) Find trial control limits forand R charts. X Control Limits UCL- CL= LCL- 3. R Control Limits: UCL LCL = (b) Assuming that the pracess is in control, estimate...
1. Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures for...
1. Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures for cellular phone services per consumer unit increased from $229 in 2001 to $599 in 2007. Let the standard deviation of annual cellular expenditure be $63 in 2001 and $120 in 2007. a. What is the probability that the average annual expenditure of 122 cellular customers in 2001 exceeded $222? (Round answer to 4 decimal places.) b.What is the probability that the average annual expenditure...
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I. Given the following table of coating weights for samples of size n-4: (a) Calculate the x 's and R's for samples 2 through & (b) Calculate the X and R values for all cight samples (c) Determine the appropriate constants that would be used with this data to constructx and R control charts, and calculate the control limits Range 18.5 17.9 19.6 22.2 16.5 19.0 2021.2 20.5 20.3 18.90 19.8 20.4 22.8 19.0 20.7 22.2 20.5...
; = 1190 i=1 X; = 7815 and i=1 and R are to be set up for an important quality characteristic. The sample size isn = 5, and X and r are computed for each of 35 preliminary samples. The summary data are: Control charts for Round your answers to 2 decimal places (e.g. 98.76). (a) Find trial control limits for and R charts. X Control Limits: UCL = CL = LCL = R Control Limits: UCL = CL =...
8 have been gathered with the following results A services process is monitored using x-bar and R charts. Eight samples of n5 observations Sample 2 4 Mean 7.2 7.4 6.6 6.8 7.9 6.0 7.2 6.2 Range .43 .52 .53 20 .36 .42 .35 .42 7 8 Using this data, compute the centerline, the 3 sd upper control limit, and the lower control limits for the x-bar and R charts X-bar R-bar UCL r-bar LCL r-bar UCL x-bar LCL x-bar a....
Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is L= 122.5 and the standard deviation is o 0.4 (a) Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.) UCL LCL Construct the x chart for this process. 123.50t 123.50t UCL 123.25- 123.25 UCL 123.00 123.00 122.75 122.75 122.50 122.50 122.25t 122.25 122.00...
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...
Control charts for and R are to be set up for an important quality characteristic. The sample size is n 5, and X and r are computed for each of 35 preliminary samples. The summary data are: X,7802 and ,r 1180 Round your answers to 2 decimal places (e.g. 98.76). (a) Find trial control limits forand R charts. X Control Limits UCL- CL= LCL- 3. R Control Limits: UCL LCL = (b) Assuming that the pracess is in control, estimate...
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