A process that manufactures vinyl for automobile seat covers was studied. Three factorswere varied: the proportion of a certain plasticizer (A), the rate of extrusion (B), and thetemperature of drying (C). The outcome of interest was the thickness of the vinyl (in mils).A 23 factorial design with four replicates was employed. The results are presented in thefollowing table. (Based on the article "Split-Plot Designs and Estimation Methods forMixture Experiments with Process Variables," S. Kowalski, J. Conell, and G. Vining,Technometrics, 2002:72-79.)вThickness-1-1-1-1-1-1-1-11110-11111a Estimate all main effects and interactions.b. Construct an ANOVA table. You may give ranges for the P-values.Is the additive model appropriate? Explain.d. What conclusions about the factors can be drawn from these results?

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Answered: A process that manufactures vinyl for…

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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Only answer the questions typed: A. indicate whether it's one or two sidedB. Indicate whether it's a test of means or proportionsC. Write out the expression for determining the P-value
I need help for figuring out how to explain parts a and b.
Martha’s Vineyard Marine Supply is a wholesaler for a large variety of boating and fishing equipment. The company’s controller, Mathew Knight, has recently completed a cost study of the firm’s material-handling department. Knight used work measurement to quantify the department’s activity. The control factor unit used in the work-measurement study was hundreds of pounds of equipment unloaded or loaded at the company’s loading dock. Knight compiled the following data. 1. Construct an Excel spreadsheet and use the Excel commands to perform a least-squares regression. Estimate the variable- and fixed-cost components in the company’s material-handling department costs. Note: Round the Variable-cost component to 2 decimal places and the Fixed-cost component to the nearest whole dollar amount. Fixed-cost component = Variable-cost component =
7. Did plant height of the Alpine ecotype of cinquefoil vary between gardens? Provide justification for your answer including appropriate screenshots of text output and figures from R. The height of the Alpine ecotype cinquefoil does vary. Week 1 Assignment: Characterizing Populations > Ichistan; uchstan # Stanford garden [1] 25.78633 [1] 31.30598 Ich math; ucmath # Mather garden [1] 41.35308 [1] 48.65359 >chtimb; ultimb # Timberline garden [1] 23.81529 [1] 29.17042 Environment History Connections Tutorial Import Dataset ▾ 61 MiB List▾ Global Environment n.stan n. timb s.math 26L 28L 9.61125358120879 s.stan 6.70010332870954 s.timb 6.78079688157715 $1 17.3924278891305 $2 6 $3 97 54 $5 30.15 53 uc1.math uc1.stan ucl. timb x y1 y2 уз Functions 48.6535875829896 31.3059780687354 29.170424087752 ... num [1:141] 20 20.2 20.5 20.8 21 num [1:141] 1.98e-10 6.70e-10 2.19e... num [1:141] 1.86e-45 1.40e-44 1.04e... num [1:141] 8.29e-07 2.19e-06 5.55e... Height in cm 10 20 30 40 50 60 60 Mather…
A psychologist would like to examine the effects of different testing methods on the final performance of college students. One group has regular quizzes, one group has three large exams, and the third group only has a final exam. At the end of the course, the psychologist interviews each student to get a measure of the student's overall knowledge of the material. Do these data indicate any significant differences among the three methods? Do the following computations: a. Compute and report the F Ratio at a a = .05 b. Compute and report the Tukey's HSD to determine exactly which methods are significantly different. Quizzes 4 6 3 7 T = 20 SS = 10 Exams 1 4 5 2 T = 12 SS= 10 Final Only 0 2 0 2 T=4 SS=4 G=36 EX² = 164 ✩
Engineers are interested in comparing the mean hydrogen production rates per day for three different heliostat sizes. From the past week’s records, the engineers obtained the amount of hydrogen produced per day for each of the three heliostat sizes. Then they computed and compared the sample means, which showed that the mean production rate per day increased with the heliostat sizes. a. Identify the type of the study describe here. b. Discuss the type of interference that can and cannot be drawn from this study.
For this project you have to do the following: 1) list five different things that are normally distributed. Examples that you can't use since I came up with them: Shoe size, middle finger length, oxygen level, electricity bill, wait times on line to pay at target. You must give the website where you found that they are normal for each one of them. 2) measure yourself and use the normal distribution to find out what percent of the population is less than use. What this means is that for one of the five things in 1) you need to make sure that you can find the mean and standard deviation. So an example would be: I found the oxygen level mean and standard deviation to be 98.3 and 1.1. My oxygen level is 98.9. Using the normal distribution calculator I found that 69.3% of the population has a lower measure of that.
Please help me.
In a recent survey of 157 WMU graduates, 117 students said that parking was too limited on campus. What is the estimate of the population proportion? What is the standard error of this estimate? Question 7 options: 1) Estimate of proportion: 0.745, Standard error: 0.0348. 2) Estimate of proportion: 0.255, Standard error: 0.0028. 3) Estimate of proportion: 0.745, Standard error: 0.0028. 4) The true population proportion is needed to calculate this. 5) Estimate of proportion: 0.255, Standard error: 0.0348.
There is a relationship between political affiliation (on a scale of 1 to 10, where 1 = very liberal and 10 = very conservative) and U.S. geographic regions, such that people living in the Northeast are more likely to consider themselves liberal than people living in the South. what is my unit of analysis?
A manufacturing company glues one part to another part during the assembly of its final product. Either too much or too little glue presents a problem. It is important for the pressure of the glue nozzle (pounds per square inch) to be set correctly because it affects the amount of glue (ounces) that is applied. Ten applications are sampled and the following information collected: SSXX = 129.6 SSYY = 2.345 SSXY = 16.6 X bar = 25.2 Y bar = 2.05 What is the estimated y intercept?
Please Answer number 1 to 10

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