3.a. Discuss the prevention and failure costs with examples in a sports & fitness club (gym). b. A new machine used in the production of motor mount bolts was put into operation. Ten samples of200 bolts each were randomly selected and the number of defectives in each sample was noted.Sample12341056789Defectives12 813 6345617 10Find the lower and upper control limits for the proportion defective chart. Is this process under control?Explain.

Since the first question is opinion based we could not answer the first question as per guidelines.…

Answered: b. A new machine used in the production…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

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

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DESIGNING A CONTROL CHART EXAMPLE Fujiyama Electronics, Inc. has been having difficulties with circuit boards purchased from an outside supplier. Unacceptable variability occurs between two drilled holes that are supposed to be 5 cm apart on the circuit boards. Thirty samples of 4 boards each were taken from shipments from the supplier as shown in the data listed below. Construct x and R charts for the process using the following data. DATA Sample No Samples 1 4.92 4.26 4.94 4.29 2 4.65 5.54 5.00 5.42 3 5.77 5.26 4.76 4.79 4 6.25 4.88 5.66 4.44 5 5.27 5.41 6.02 4.91 6 5.22 5.38 5.08 4.65 7 5.47 4.68 4.56 4.70 8 5.71 4.54 4.17 4.87 9 5.24 5.58 4.72 5.41 10 4.42 5.18 4.79 4.73 11 5.14 4.26 4.71 5.48 12 4.92 5.78 5.50 5.05 13 5.79 3.83 4.30 4.78 14 4.92 4.80 4.75 5.59 15 5.68…
621 Daily samples of 100 power drills are removed from Drill Master's assembly line and in- spected for defects. Over the past 21 days, the following information has been gathered. Develop a 3 standard deviation (99.73% confidence) p-chart and graph the samples. Is the process in control? Number of Defective Drills Number of Defective Drills Day Day 6. 12 13 4 5. 14 3 15 16 17 6. 18 5. 8. 19 9. 20 3 10 21 7 11 643t n36 37 123 456N
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
snip
Explain the variation that are detected in control chart ?
The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants the box-filling line to be set so that the process average weight per packet is 47 grams. To make sure that the process is in control, an inspector at the end of the filling line periodically selects a random box of 8 packets and weighs each packet. When the process is in control, the range in the weight of each sample has averaged 7 grams. Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. a. Design an R- and an x-chart for this process. The UCLR equals grams and the LCLR equals grams. (Enter your response rounded to two decimal places.)
1. Boxes of Honey-Nut Oatmeal are produced to contain 16.0 ounces, with a standard deviation of 0.10 ounce. For a sample size of 64, the 3-sigma x chart control limits are: Part 2 Upper Control Limit (UCLx)= _______ (round your response to two decimal places). Lower Control Limit (LCLx)= _______ (round your response to two decimal places).
Thirty-five samples of size 7 each were taken froma fertilizer-bag-filling machine. The results were overall mean= 57.75 lb; average range = 1.78 lb.a) Determine the upper and lower control limits of thex-chart, where s = 3.b) Determine the upper and lower control limits of theR-chart, where s = 3.
Studies on a machine that molds plastic water pipe indicate that when it is injecting 25.76 mm diameter pipe, the process standard deviation is 0.75 mm. The pipe has a specification of 25.76 mm plus or minus 1.95 mm. What is the process capability index (Cp)? O a. 0.4333 b. 2.6 О с. 1.733 O d. 0.8667
Mention two types of control charts. What are the characteristics of control charts?

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