Problem 2:You are working in a cloth factory that uses synthetic fibers in making these cloths. Youwere given the task to investigate the formulation of the fibers. The purpose is toinvestigate the fibers strength in terms of cotton percentage. The response is tensilestrength, the strength of the fiber. You want to determine the best level of the cotton interms of percent, to achieve the highest tensile strength of the fiber. Therefore, we have asingle quantitative factor, the percent of cotton combined with synthetic fabric fibers.The five treatment levels of percent cotton are evenly spaced from 15% to 35%. Youhave performed the experiments randomly with Four replicates (i.e. four runs on each ofthe five cotton weight percentages).Cotton WeightObservations "Replications"Percentage1234157715112012171218251418181930192522193571011151. Analyze visually using graphical representation2. Build model step by step starting from the symbolic representation of the model (u, t...)3. State the hypothesis as claims (words) as well as in terms of mode parameters4. Analyze the data to test the hypothesis5.Check the assumptions used for the model6. Perform post-ANOVA comparisons

Treatments and Replications 1 2 3 4 T1-15% 7 7 15 11 T2-20% 12 17 12 18 T3-25% 14 18 18…

Answered: strength, the strength of the fiber.…

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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C6. The GSS 2014 asked respondents to identify what was important for "truly bemg American." When asked "How important to have American ancestry?" answers were measured on a 4-point scale: 1 = very important, 2 = fairly important, 3 = 1ot important, and 4 = not important at all. We selected a sample of 20 GSS respondents and present their individual responses. Complete the five-step model for these data, using alpha = .01 to assess the significance of the model. not very %3D %3D %3D White Black Other 1 4 2 2 3. 1 4. 4. 2. 2. 1, 2. 3.
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.85. You would like to be 97% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required?
J In-shop othesis test for the difference between two population proportions 02562 2600368.qx3zqy7 Jump to level 1 The manager of a coffee shop is trying to determine if drive-through customers buy fewer items than customers who come into the shop. The manager randomly samples both populations and calculates the proportion of customers in each that buy three or more items. The results of the data collected are shown below. What are the population parameters? Y Pick Drive-through Successes 27 Successes What is the level of significance? Ex: 0.12 Observations 76 Observations 41 119 0.345 p-hat_1 0.355 p-hat_2 What is the null hypothesis Ho? Pick Confidence Level 0.1429 What is the alternative hypothesis Ha? Pick p-value Should Ho be rejected or does Ho fail to be rejected? Pick What conclusion can be drawn from the data? Pick evidence exists to support the claim that drive-through customers buy fewer items than in-shop customers. 2 p W
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You want to obtain a sample to estimate the proportion of a population that possess a particular genetic marker. Based on previous evidence, you believe approximately P∗=15% of the population have the genetic marker. You would like to be 98% confident that your estimate is within 3% of the true population proportion. How large of a sample size is required?n =
Suppose that you had collected the following sample data (in inches) on the diameters of tree trunks, measured at waist level and growing at 2000’ elevation in the Cascade Mountains: 9.0, 6.2, 6.5, 7.0, 10.5 and 8.8. The sample Inter Quartile Range is: (a) 5.5 (b) 4.5 (c) 3.5 (d) 2.5 (e) 4.0 (f) None of the above
Number calls coming to a call center for 5 days are as follows: 43 52 32 37 18 What is the third quartile of the number of calls coming in a day?
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A stock price is currently $40. It is known that at the end of 1 year it will be either $48or $32. The risk-free Interest rate is 5% per annum with continuous compounding. What is the value of a portfolio today with a strike price of $527 (use A-0.25) Hint: draw a tree

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