Management at Webster Chemical Company is 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 145. Several boxes are inspected, and the following numbers of leaking tubesare found:SampleTubesSampleTubesSampleTubes1987154279.316310174711518312196.2132087714Total99Calculate p-chart three-sigma control limits to assess whether the capping process is in statistical control.The UCL, equals 1 and the LCL, equals 3. (Enter your responses rounded to three decimal places. If youranswer for LCL, is negative, enter this value as 0.)

Answered: Calculate p-chart three-sigma control…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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The control limits for the 3-sigma R-chart are (round all intermediate calculations to three decimal places before proceeding with further calculations): Part 6 Upper Control Limit (UCLR) = enter your response here inches (round your response to three decimal places).
Refer to Table 56.1-Factors for Computing Control Chart Limits.(3.sigma) for this problem. Auto pistons at Wemming Chung's plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. From sample sizes of 10 pistons produced each day, the mean and the range of this diameter have been as follows: a) What is the value of x? mm (round your response to two decimal places). b) What is the value of R? R=mm (round your response to two decimal places). c) What are the UCL, and LCL; using 3-sigma? Day 1 2 3 4 5 Upper Control Limit (UCL;)mm (round your response to two decimal places) Lower Control Limit (LCL;)mm (round your response to two decimal places). d) What are the UCL and LCL using 3-sigma? Upper Control Limit (UCLR)-mm (round your response to two decimal places). Lower Control Limit (LCL)-mm (round your response to two decimal places) Mean x (mm) 154.9 151.2 155.6 155.5 154.6 Range R (mm) 4.4 4.8 4.3 5.0 4.7 Next
In a research on weight of cereal dispersed into a box of cereal, a company collected m=12 sets of inside ring diameter samples with a subgroup size of n=6 , the grand mean =17.8 ounces and the average range =1.02 ounces. Determine the upper control limit for an R chart. Enter your answer to 2 decimal places.
54 Boxes of Honey-Nut Oatmeal are produced to contain 14.0 ounces, with a standard deviation of 0.20 ounce. For a sample size of 64, the 3-sigma X chart control limits are: Upper Control Limit (UCL) = ounces (round your response to two decimal places).
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2- Quality Control Charts A local brewery and bottling plant wants to keep track of the bottling filling equipment's accuracy, Bottles are to be filled with exactly 16 ounces of the drink. The following is data from the bottling equipment where 5 samples of bottles filled were pulled every hour and measured for actual quantity filled. 1- Calculate the UCL, LCL and mean for the X-bar and R data 2- Draw an X-Bar chart and a R chart. 3- Is this filling process in control or out of control? Hour X-bar R 1 16.05 .20 2 16.03 3 15.96 4 15.97 16.03 16.06 15.98 16.09 15.94 16.01 5 6 7 8 9 10 @n-5: A2 = 0.58, D3 =0, D4 = 2.11 .25 .62 .58 .71 .37 .46 .21 .35 .29
Hermitage DNA Labs, LLC collected temperature readings in an analysis process. The data can be found in the Problems Data Compute the mean and range of each sample and calculate control limits for x-bar and R charts using the appropriate From the charts constructed, does the process appear to be in statistical control?
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ble size, the control limits for 3-sigma x chart are: mit (UCL) = lb. (round your response to three decimal places). mit (LCL) = for the 3-sigma R imit (UCLR)= Limit (LCLR)= Definition Sample Size, n 2345678982 10 12 Mean Factor, A2 1.88 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Print Upper Range, 4 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 Done Lower Range, D3 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284 - X
Jus de Fruit Co. has set up for automated production of its new bottled Triple Berry Colada. Six samples were taken during the first week of production. The OM team wants to check if the dispersion of the process is in control. What will be the 3-sigma upper and lower control limits, respectively? Sample Bottle 1 Bottle 2 Bottle 3 Bottle 4 1 16.5 16.3 15.7 16.2 2 16.1 16 15.5 16.1 3 16.3 16.5 15.8 15.7 4 15.6 16 16.3 16.2 5 16 15.9 16.2 15.8 6 15.9 16.3 16.1 15.5
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Linda Boardman, Inc., an equipment manufacturer in Boston, has submitted a sample cutoff valve to improve your manufacturing process. Your process engineering department has conducted experiments and found that the valve has a mean (u) of 12.00 and a standard deviation (a) of 0.04. Your desired performance is μ = 12.00 +3 standard deviations, where a = 0.045. For the given information, the process capability index (Cpk) - (round your response to three decimal places).

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Calculate p-chart three-sigma control limits to assess whether the capping process is in statistical control. he UCL, equals 1 and the LCL, equals 3. (Enter your responses rounded to three decimal places. If your nswer for LCL, is negative, enter this value as 0.)