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.TableControl ChartStep 5 of 8: At the next time period, 250 castings are sampled and 30 defective castings are detected.AnswerO In ControlO Out of ControlCopy TableTablesKeypadKeyboard ShortcaPrevious step answeUpdated Control Cha Sample Defects12345678 128109691081312131033213The average of the selected cell(s) is9.000.Copy Value

The sample size for each time period is n=250It is decided to use p=chart with 3-sigma control…

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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Fast computer: Two microprocessors are compared on a sample of 6 benchmark codes to determine whether there is a difference in speed the times (in seconds) used by each processor on each code are as follows: Code 3 4 Processor A 24.8 17.3 25.0 18.1 27.7 22.8 Processor B 27.8 16.3 22.3 26.5 25.4 26.6 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Find a 99.9% confidence interval for the difference between the mean speeds. Let d represent the speed of processor A minus the speed of processor B. Use tables to find the critical value. Carry your intermediate computations to at least 3 decimal places. Round your final answers to 2 decimal places. A 99.9% confidence interval for the difference between the mean speeds is <µ,< NOV 28 ... MacBook Ar F8 888 F6
A manager wishes to build a control chart for a process. A total of five (05) samples are collected with six (06) observations within each sample. The sample means (X-bar) are; 15.36,14.61,16.36,20.28, and 15.77 respectively. Also, the corresponding ranges are; 10.79, 8.37, 4.81, 8.17, and 3.31 respectively. The lower and upper control limits of the R-chart are respectively O a. None is correct O b. 1, 10.5 O c. 0,14.18 O d. 0, 15.25 O e. 0, 14.11
which of these comparison between an ANOVA and t test is correct? A. a t test provides more flexibilty in research studies than an ANOVA B. An ANOVA examines wheater mean differences exists between conditions wheres t test does not C. An ANOVA can be used to compare three or more conditions wheres a t test cannot D. A t test can be used to compare two conditions wheres an ANOVA cannot.
17 Statistics students in Oxnard College sampled 11 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The data are shown below: Number of Pages (xx) Cost(yy) 230 34.5 944 154.6 666 100.9 930 153.5 221 40.15 375 69.25 442 66.3 722 118.3 921 152.15 885 149.75 761 131.15 A student calculates a linear model using technology (Statistics Calculator or Computer)y = ___ x + ____ . (Please show your answers to two decimal places)Use the model to estimate the cost when number of pages is 424.Cost = $_______
6.34 Barking deer. Microhabitat factors associated with forage and bed sites of barking deer in Hainan Island, China were examined. In this region woods make up 4.8% of the land, cultivated grass plot makes up 14.7%, and deciduous forests make up 39.6%. Of the 426 sites where the deer forage, 4 were categorized as woods, 16 as cultivated grassplot, and 61 as deciduous forests. The table below summarizes these data.39 Woods Cultivated grassplot Deciduous forests Other Total 4 16 61 345 426 (a) Write the hypotheses for testing if barking deer prefer to forage in cer- tain habitats over others. (b) What type of test can we use to answer this research question? (c) Check if the assumptions and conditions required for this test are sat- isfied. (d) Do these data provide convincing evidence that barking deer prefer to forage in certain habitats over others? Conduct an appropriate hypoth- esis test to answer this research question. Photo by Shrikant Rao (http://flic.kr/p/4Xjdkk) CC BY 2.0…
A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 273273 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related? Vaccination Status Diseased Not Diseased Total Vaccinated 5757 6262 119119 Not Vaccinated 8383 7171 154154 Total 140140 133133 273273 Copy Data Step 6 of 8 : Find the critical value of the test at the 0.0050.005 level of significance. Round your answer to three decimal places.
The provided table shows the in-state undergraduate tuition in 2014 and 2018 for 33 public universities.Virginia's data was identified as an unusual observation. Remove it from the dataset before performing the following analysis.Year2014Year2018Year2014Year2018Year2014Year2018UniversityUniversityUniversityPenn State17,50218,454Ohio State10,03710,726Texas979810,606Pittsburgh17,77219,080Virginia12,99817,564Nebraska80709154Michigan13,48615,262Cal-Davis15,58914,463lowa80799267Rutgers14,29714,974Cal-Berkeley12,97214,184Colorado10,78912,532Michigan StateCal-Irvine14,75715,614Iowa State7731898813,81314,460Purdue10,0029992North Carolina83468987Maryland942710,595Illinois15,02015,094Cal-San Diego13,45614.199Kansas10,44811,148Minnesota13,62614,693Oregon991811.898Arizona10,95712,487Missouri11,02112,055Wisconsin10,41010,555Florida63136381Buffalo887110,099Washington12,39411,517Georgia Tech11,39412,424Indiana10,38810,681UCLA13,02913,774Texas A&M917910,968Click to download the data in your…
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?
William Industries has decided to use a p-Chart with 3-sigma control limits to monitor the proportion of defective bolts produced by their production process. The operations manager randomly samples 250 bolts at 14 successively selected time periods and counts the number of defective bolts in the sample. Table Step 3 of 8: What is the Upper Control Limit? Round your answer to three decimal places. Answer How to enter your answer (oper Control Chart and arrow keys. 10 Tina the average or the selected cells, select the Average values Dutton. Copy Table Average Values The average of the selected cell(s) is 12.000. Copy Value Sample Defects 1 2 3 4 5 6 7 8 9 10 11 12 13 14 12 13 13 14 12 8 7 11 7 10 9 12 13 10 Copy Tab C
Save Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 21%. Use a 0.05 significance level to test that claim. Identify the pull and alterna
Example 2 : The following data refer to the number of defectives in 10 samplesof 100 items each. Construct an appropriate control units. Sample No. No.of defectives 4 8 11 3 11 7 7 16 12 12 3 4| 5 6 7 8 9. 10 6.
A statistics content developer at Aplia wanted to know whether study skills are related to memory quality. She invited student volunteers to perform an online memory task. The students saw a list of 60 words and were then asked to recognize a list of 10 words that were on the original list. Students were also asked to provide their GPAs. Consider the following data set, which was collected from student volunteers in 2009. The table gives the frequency for five intervals of scores on the number of correctly identified words. Use the dropdown menus to complete the table by filling in the missing values for the proportions and percentages. Score Interval f Proportion Percentage 9–10 29 0.19 19% 7–8 53 5–6 50 3–4 22 0.14 14% 1–2 1 0.01 1%

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