OPERATIONS MANAGEMENT LL PACKAGE
11th Edition
ISBN: 9781323592632
Author: KRAJEWSKI
Publisher: Pearson Custom Publishing
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Chapter 3, Problem 3AME
Summary Introduction
Interpretation:The affect on the p-chart is to be determined when the
Concept Introduction:The monitoring of the nonconforming units in sample in statistical quality control is done by the representation of the p-chart.
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x and R Control Charts A cereal manufacturer fills cereal boxes to an averageweight of 20 ounces and has an average range of 2 ounces when the filling process is in control. A sample size of 10 boxes is used in evaluating the process.a. What are the CL, UCL, and LCL for the x and R charts?b. A sample with the following 10 measurements was just taken: 20, 21, 19, 18, 19, 21,22, 20, 20, 19. Is the process still in control?
Shift in the process mean for a measured variable would be best detected by a O a. p chart P b. chart Of. a chart O d. x barchart O e. R Chart
The importance of sample size
Chapter 3 Solutions
OPERATIONS MANAGEMENT LL PACKAGE
Ch. 3 - Should a very pricey handcrafted object of beauty...Ch. 3 - Prob. 2DQCh. 3 - Prob. 3DQCh. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7P
Ch. 3 - Prob. 8PCh. 3 - Prob. 9PCh. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Prob. 12PCh. 3 - Prob. 13PCh. 3 - Prob. 14PCh. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - Prob. 17PCh. 3 - Prob. 18PCh. 3 - Prob. 19PCh. 3 - Prob. 20PCh. 3 - Prob. 21PCh. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 31PCh. 3 - Prob. 1AMECh. 3 - Prob. 2AMECh. 3 - Prob. 3AMECh. 3 - Prob. 4AMECh. 3 - Prob. 5AMECh. 3 - Prob. 1VCCh. 3 - Prob. 2VCCh. 3 - Prob. 3VC
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- the solutions for the right side of the chart are incorrect. and I submitted three more parts of the same question.arrow_forwardYou pull 5 bags of chips off of the production line every hour. The process is currently under control. The average weights are calculated for each sample, and the average of those averages is 129.1. The ranges are calculated for each sample, and the average of those ranges is 4.1. What is the Upper Control Limit for the X-bar chart? Round your answer to one decimal place.arrow_forwardwhat trade-offs are involved in choosing between a large sample size and a smaller simple size?arrow_forward
- The Dog Food Cereal Company fills boxes to an average weight of 30 lbs and an average range of 2 lbs. A sample size of 20 was used to assess the process. 1. What is the LCL for the R Chart? Group of answer choices -0.003 Zero 0.446 0.828 2. What is the UCL for the R Chart? Group of answer choices Rounds down to 2 2.9 Rounds down to 3.17 5 3. What is the UCL for the x bar chart? Group of answer choices The answer rounds down to 29.5 The answer rounds up to 31.5 The answer rounds up to 30.4 33.17arrow_forwardA shift in the process mean for a measured variable would be best detected by a Select one: O a.s chart O b. p chart OC. R chart O d. c chart e. x barchartarrow_forwardWhich tool is very useful in documenting and presenting the whole process Select one a control chart b. check sheet O c flow chart O d. Pareto chart e histogramarrow_forward
- Checkout time at a supermarket is monitored using a mean and a range chart. Six samples of n = 20 observations have been obtained and the sample means and ranges computed: Sample Mean Range 1 3.06 .42 2 3.15 .50 3 3.11 .41 4 3.13 .46 5 3.06 .46 6 3.09 .45 Using the factors in Table 10.3 , determine upper and lower limits for mean and range charts. Is the process in control?arrow_forwardWhat is it important to prove that a process is proven capable before developing statistical control limit ?arrow_forwardFor question 1 choose from the following: x bar-chart, c-chart, p-chart, or none of the about. 1. The process involving filling of a high value medicine into standard containers of 50 gms. 2. From a perspective of Statistical Process Control (SPC), a six-sigma process will have which of the following attributes? a) The USL and LSL will be separated by a distance of six sigma b) The process center will be aligned with the LSL c) The number of defects produced by the process will be 0.0018 parts per million d) All of the above 3. Which of the following statements depict the meaning of "total" in the term TQM? a) The total of all efforts put by the employees towards quality b) Total satisfaction of the customers about a company's products and services c) Ensuring every supplier follows quality practices in their work place d) Making quality happen everywhere in an organization by involving everyonearrow_forward
- Why are most processes not in statistical control when they are first sampled for control chart purposes? *250 words minimum. Thank you!arrow_forwardHow is a crosscheck performed? Group of answer choices -An anova test -Through a chi-square test -A t-chart analysis -Adding rows across and columns down and comparing the resultsarrow_forwardDetermine if this case need a p-chart, an R-chart, a c-chart, or an x-bar chart. Kate has been hired by m&m's to address a quality problem that the production facility has been facing. With Halloween just around the corner, production is in high demand for peanut m&m's. Most of the process is automated with the packages getting a mix of colors of candies. Each bag should contain 16 ounces of candy; each candy is about one-half ounce. The mix in each bag should be approximately 20% red, 20% orange, 20% yellow, 20% blue, 10% green, and 10% brown. There have been customer complaints that the company has received: -Many are complaining that the bags do not appear full and believe that they are not getting a fair measure for the money they are paying, but no one has verified this. -Several customers have complained about “too many green ones” in the package. Some have even reported counting the total number of candies and the number of green ones in a package. No one has ever…arrow_forward
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