1. Construct the appropriate determine Observation 1 2 3 No. of defects per 9 2 2 unit: if the process is in control using two sigma limits. 4 5 6 7 8 9 10 11 4 5 3 6 3 5 3 00 2 сл
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- DEFINE: Typical descriptive research measuring tools 1. Descriptive statistics 2. Frequency table (with frequency and percent) 3. Charts (pie chart, bar chart, histogram, etc.) 4. Mean interpretation table (with the scale, its range for measurement purposes, scale description, and the mean interpretation) Typical correlational and comparative research measuring tools 1. Correlations 2. t-Test (paired samples, independent samples t-test) – for independent samples t-test, the grouping variable should be two categories only. 3. Analysis of variance (ANOVA) 4. Scales reliability test (interval or ratio scaled data) 5. Factor analysis 6. Normality test 7. Multiple regression analysisF2 You should use a(n) OA.X-bar chart OB. R-chart OC. p-chart OD.m-chart OE. V-chart # A Moving to another question will save this response. E 0 F3 $ 4 000 F4 R % 5 to track the variability of the pipe's diameter for a manufacturing process producing copper pipes. T F5 A MacBook Air F6 Y C & 7 ◄◄ F7 * 8 F8 ( 9 A F9 F10 >> 4) F11 11 + E F12 0 UDOPER 11The Digital Guardian Company issues policies that protect clients from downtime costs due to computer system failures. It is very important to process the policies quickly because long cycle times not only put the client at risk, they could also lose business for Digital Guardian. Management is concerned that customer service is degrading because of long cycle times, measured in days. The table contains the data from five samples, each sample consisting of eight random observations. E Click the icon to view the table with sample data. A Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. a. What is your estimate of the process average? The estimate of the process average is 10.43 . (Enter your response rounded to two decimal places.) b. What is your estimate of the average range? The estimate of the average range is 11.6. (Enter your response rounded to two decimal places.) c. Construct an R- and an x-chart for this process. Set…
- What is the sample t-statistic and the critical t-value? Count Design A Design B Di = Xi - X'i 1 135.20 108.40 26.80 2 203.10 190.30 12.80 3 208.20 170.20 38.00 4 141.70 109.10 32.60 5 244.30 217.80 26.50 6 164.10 172.70 -8.60 7 266.90 224.40 42.50 8 130.20 112.00 18.20 9 138.90 92.30 46.60 10 171.20 131.60 39.60 Sample mean= 180.38 152.88 27.50 Sample standard deviation= 48.29 48.43 16.60. After a number of complaints about its directory assistance, a telephone company examined samples of calls to determine the frequency of wrong numbers given to callers. Each sample consistedof 100 calls. Determine 95 percent limits. Is the process stable (i.e., in control)? Explain.SAMPLE1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16Number of errors 5 3 5 7 4 6 8 4 5 9 3 4 5 6 6 7A. Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample of 350 records typed by these operators has been noted, as follows: Sample No. No. Defectives Sample No. No. Defectives Sample No. No. Defectives 1 8 11 7 21 16 2 5 12 5 22 11 3 19 13 15 23 6 4 10 14 3 24 6 5 10 15 12 25 13 6 7 16 7 26 11 7 11 17 12 27 15 8 9 18 3 28 6 9 7 19 18 29 12 10 12 20 16 30 4 a) Establish 3σ upper and lower control limits. UCLp = nothing (enter your response as a number between 0 and 1, rounded to three decimal places). B. Peter Ittig's department store, Ittig Brothers, is Amherst's largest independent…
- Problem 13-7 (Algo) Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table. SAMPLE 1 L23456TBSG : 15 15 15 15 15 15 15 15 15 15 7 8 9 10 n P Sp lucu NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE 1 3 2 2 22724N a. Determine the p. Sp. UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank. Round up any negative LCL value to "O". Round your answers to 3 decimal places.)REPOSTING QUESTION FOR PART 2 Consider the following table: SS DF MS Test Statistic Among Treatments 1664.4 Error ? 11 370.45 Total 16 Step 4 of 8: Calculate the value of the test statistic. Please round your answer to two decimal places. Step 5 of 8: What is the sum of squares of sample means about the grand mean? Please round your answer to two decimal places. Step 6 of 8: What is the variation of the individual measurements about their respective means? Please round your answer to two decimal places. Step 7 of 8: What is the critical value at the 0.05 level? Please round your answer to four decimal places, if necessary. Step 8 of 8: Is the test statistic significant at 0.05?b) The data in Table 4(b) shows the number of nonconforming ties in a sample of size 500, following 100% inspection, over 20 days; Number of Day Nonconformities 1 13 10 25 4 12 12 6. 9 7 11 8. 13 9. 11 10 16 11 13 12 10 13 14 14 15 15 10 16 17 17 18 12 19 12 20 13 Table 4(b) Page 6 of 8 i. Calculate the UCL and LCL for this data ii. Plot a fraction non-conforming control chart for the data. If there are any points that plot outside of the control limits, assume assignable causes can be found and recalculate the limits. ii.
- Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Sample Size, n Mean Factor, A2 Upper Range, D4 Lower Range, D3 2 1.880 3.268 0 3 1.023 2.574 0 4 0.729 2.282 0 5 0.577 2.115 0 6 0.483 2.004 0 7 0.419 1.924 0.076 8 0.373 1.864 0.136 9 0.337 1.816 0.184 10 0.308 1.777 0.223 12 0.266 1.716 0.284 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: Day Mean Bold x overbarx (mm) Range R (mm) 1 154.9154.9 4.04.0 2 151.2151.2 4.44.4 3 153.6153.6 3.93.9 4 155.5155.5 5.05.0 5 158.6158.6 4.3 a) What is the value of x? X = ____ mm b) What is the value of R? R =…1. Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample of 350 records typed by these operators has been noted, as follows: Sample No. No. Defectives Sample No. No. Defectives Sample No. No. Defectives 1 8 11 7 21 16 2 5 12 5 22 11 3 19 13 15 23 6 4 10 14 3 24 6 5 10 15 12 25 13 6 7 16 7 26 11 7 11 17 12 27 15 8 9 18 3 28 6 9 7 19 18 29 12 10 12 20 16 30 4 a) Establish 3σ upper and lower control limits. UCLp = . 055.055 (enter your response as a number between 0 and 1, rounded to three decimal places). LCLp =?(enter your response as a number between 0 and 1, rounded to three decimal places).Question content area Part 1 Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) LOADING... for this problem. Twelve samples, each containing five parts, were taken from a process that produces steel rods at Emmanual Kodzi's factory. The length of each rod in the samples was determined. The results were tabulated and sample means and ranges were computed. The results were: Sample Sample Mean (in.) Range (in.) Sample Sample Mean (in.) Range (in.) 1 12.202 0.033 7 12.203 0.041 2 12.202 0.041 8 12.205 0.034 3 12.193 0.034 9 12.193 0.027 4 12.206 0.051 10 12.203 0.029 5 12.195 0.031 11 12.203 0.039 6 12.199 0.036 12 12.204 0.047 Part 2 For the given data, the x = enter your response here inches (round your response to four…