Miller Inc. has decided to use a p-Chart with 3-sigma control limits to monitor the proportion of defective castings produced by their production process. The qualitycontrol manager randomly samples 250 castings at 10 successively selected time periods and counts the number of defective castings in the sample.TableStep 7 of 8: At the next time period, 250 castings are sampled and 10 defective castings are detected.AnswerControl ChartO In ControlO Out of ControlCopy TableTablesKeypadKeyboard ShortcutsPrevious step answersUpdated Control Chart Sample Defects12345678 128109691081312131033213The average of the selected cell(s) is9.000.Copy Value

The quality control is used to check the quality of the product by plotting the control chart.The…

Answered: Miller Inc. has decided to use a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Caden then performs a significance test. First, he performs 100 simulations. For each simulation, he randomly reorganizes the subjects into two groups, A and B, of size 10. In the simulations, group A plays the role of the treatment group and group B plays the role of the control group. After each simulation, he subtracts the average for group B from the average for group A. The distribution of the differences for all 100 simulations is shown in the histogram. 30 28 26 24 22 12 10 6. 2 Group A avg. - Group B avg. In the original experiment, the average for the treatment group was 0.8 higher than the average for the control group. Based on the 100 simulations, are the results of the experiment significant at the 5% level? yes no Number of simulations [-2.7, -2.2) [-2.2, -1.7) [-1.7, -1.2) [-1.2, -0.7) [-0.7, -0.2) [-0.2, 0.3) [0.3, 0.8) [0.8, 1.3) [1.3, 1.8) [1.8, 2.3) [2.3, 2.8)
Kelly Paints has decided to use a c-Chart to monitor the number of defects per jeep produced by their painting process. The c-Chart should be constructed with 3-sigma control limits. The operations manager randomly samples one jeep at 8 successively selected time periods and counts the number of defects on the jeep. Answer How to enter your answer (opens Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Table Control Chart Sample 1 2 3 4 LO Select the Copy Table button to copy all values. To select an entire rc or column, either click on the row or column header or use the Shift and arrow keys. To find the average of the selected cells, select the Average Values button. 5 6 7 8 Copy Table Copy Table Average Values The average of the selected cell(s) is 10.000. Copy Value Defects 10 13 12 14 11 14 6 9
Your statistics instructor often ponders the relationship between commute time and job satisfaction while driving back and forth to campus. Your instructor hypothesizes that people with a shorter commute time will have higher degrees of job satisfaction. Randomly sampling 600 Valley commuters, the instructor finds the following data listed in frequencies: Table 2: Commuters by Length of Commute and Job Satisfaction Job Satisfaction Number Who Commute 20 Minutes or Less Number Who Commute 21 to 40 Minutes Number Who Commute 41 Minutes or More Total Number for Each Level of Job Satisfaction Dissatisfied 10 60 140 210 Neutral 45 59 51 155 Satisfied 145 60 30 235 Total Number for Each Commute Time Range 200 179 221 1. Change frequencies to column percentages.
Quality Style manufactures self-assembling furniture. Toreduce the cost of returned orders, the manager of its quality controldepartment inspects the fi nal packages each day using randomlyselected samples. Th e defects include wrong parts, missingconnection parts, parts with apparent painting problems, and partswith rough surfaces. Th e average defect rate is three per day.(a) Which type of control chart should be used? Construct acontrol chart with 3-sigma control limits.(b) Today the manager discovered nine defects. What doesthis mean?
A source table has the following information: Three treatment conditions with a sample of n =7 participants in each treatment. You know SS(BW) = 20 and MS(WI) = 2. What is the missing value for MS(BW)? Answer choices: 40, 10, 2, 5 You have an ANOVA source table with the following information: Three treatment groups with a sample of n = 10 participants in each treatment. You also know the SS(BW) =20 and F = 5.00. What is the missing value for SS(Total)? Answer choices: 74, 54, 30, 22 For an experiment involving 2 levels of factor A and 3 levels of factor B with a sample of n = 5 in each treatment condition, what is the value for df(WI)? Answer choices: 30, 29, 24, 20
Part 1 Every 12 hours, 105 parts are randomly sampled and the # of defective parts (out of 105), is recorded. Results from 16 samples: Sample # Defects 1 8 2 5 3 1 4 6 4 10 6 2 567 00 8 Sample # Defects 9 10 11 12 13 14 15 16 5 7 0 3 9 6 4 8 1. What is the value of the statistic plotted for sample 16? 2. n = k= 3. What are the control limits for the most appropriate control chart?
I UNDERSTAND 2,3,4 BUT I DON'T GET NUMBER 1 QUESTION? Thread prompt: An epidemiologist found five cases of “big toe cancer” in the Yukon Territory. Because there were only a few cases, the epidemiologist decided to conduct a matched case-control study to determine whether shoe size larger than 9 is a risk factor for big toe cancer. Cases were individually matched to one control for daily activity, history of athlete’s foot, and history of ingrown toenails. The following data were gathered: Shoe size > 9 Pair Case Control 1 Yes No 2 No No 3 No Yes 4 Yes Yes 5 No Yes Compute the proper measure of association. Interpret your results. If you were to investigate a rare cancer in Lynchburg, where might you look for data? What would be necessary legally and ethically to be able to utilize this data set(s)?
ethods Construct a p-chart for the output of a certain integrated circuit production line which is controlled to maintain an yield of 60 percent and a proportion defective of 40 percent. To this end, day samples of 100 units are checked to electrical specifications gives the following resu Date Number of Date Number of Date Number of defectives defectives defectives 4-10 38 4-29 5-19 36 29 4-12 24 12 4-30 45 5-21 4-15 35 5-3 5-23 26 39 4-16 61 5-4 40 5-26 37 4-18 32 5-6 35 5-27 18 4-19 23 5-8 25 5-29 25 4-20 56 5-10 42 5-31 16 4-21 34 5-11 31 4-25 41 5-12 33 4-26 30 5-15 32 4-27 55 5-16 16 4-28 42 er:
A certain virus affects 0.7% of the population. A test used to detect the virus in a person is positive 87% of the time if the person has the virus (true positive) and 14% of the time if the person does not have the virus (false positive). Fill out the remainder of the following table and use it to answer the two questions below based on a total sample of 100,000 people. Virus No Virus TotalPositive Test Negative Test Total 100,000a) Find the probability that a person has the virus given that they have tested positive. Round your answer to the nearest hundredth of a percent and do not include a percent sign. % b) Find the probability that a person does not have the virus given that they test negative. Round your answer to the nearest hundredth of a percent and do not include a percent sign. %
5t. A magazine reports that women trust recommendations from a particular social networking site more than recommendations from any other social network platform. But does trust in this social networking site differ by gender? The following sample data show the number of women and men who stated in a recent sample that they trust recommendations made on this particular social networking site. Women Men Sample 150 170 Trust RecommendationsMade on the social networking site 111 102 (a) What is the point estimate of the proportion of women who trust recommendations made on this particular social networking site? (b) What is the point estimate of the proportion of men who trust recommendations made on this particular social networking site? (c) Provide a 95% confidence interval estimate of the difference between the proportion of women and men who trust recommendations made on this particular social networking site. (Round your answers to four decimal places.)
Kelly Crafts has decided to use a c-Chart to monitor the number of defects per bookcase produced by their manufacturing process. The c-Chart should be constructed with 3-sigma control limits. The quality control manager randomly samples one bookcase at 7 successively selected time periods and counts the number of defects in the bookcase. Answer How to enter your answer Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Sample Defects 1 2 3 4 5 6 Select the Copy Table button to copy all values. To select an entire row or column, either click on the row or column header or use the Shift and arrow keys. To find the average of the selected cells, select the Average Values button. Copy Table Average Values The average of the selected cell(s) is 15.000. Copy Value 7 Table 15 11 12 Control Chart 14 5 14 11 Copy Table X
To determine if their 1.50 inch steel handles are properly adjusted, Smith & Johnson Industries has decided to use an X-Chart which uses the range to estimate the variability in the sample. Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Table Period 1 2 Control Chart AnswerHow Select the Copy Table button to copy all values. To select an entire row or column, either click on the row or column header or use the Shi and arrow keys. To find the average of the selected cells, select the Average Values button. Copy Table 456789 Sample Mean Sample Range obs1 obs2 obs3 obs4 obs5 obs6 1.46 1.50 1.46 1.53 1.55 1.54 1.5067 1.54 1.45 1.49 1.4983 1.53 1.46 1.52 1.45 1.47 3 1.50 1.54 1.47 1.51 1.4900 1.53 1.47 1.50 1.53 1.5067 1.46 1.45 1.49 1.4850 1.51 1.5117 1.49 1.52 1.54 1.50 1.46 1.54 1.53 1.46 1.51 1.52 1.49 1.46 1.50 1.47 1.47 1.53 1.53 1.50 1.47 1.52 1.45 1.51 1.52 1.54 1.54 1.50 1.5050 1.5067 1.55 1.49 1.54 1.5083 1.51 1.54 1.5050 1.49…

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