Question 4An article in the Journal of the American Ceramic Society, "Rapid Hot-Pressing of Ultrafine PSZ Powders" (1991, Vol. 74, pp. 1547-1553)considered the microstructure of the ultrafine powder of partially stabilized zirconia as a function of temperature. The data are shown below:...Temperature (°C)1100 1200 1300 1100 1500 1200 130030.8 19.2 6- Porosity (%)13.5 11.4 7.7 3.6Find an estimate of o2Input answers up to two decimal places.2= Blank 1Blank 1Add your answer

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Answered: Question 4 An article in the Journal of…

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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#32). Same question on both pictures. Work on the blank ones.
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Chemists examined the relationship between the maximum absorption rate y (in nanomoles) and the Hammell subsliuent constant x for metachyoophane compounds. The data are given below. Hammett Maximum Observation Constant Ahsorption 0.01 200 12 0.75 346 13 0.06 303 14 -0.26 314 15 0.17 301 0.42 332 -0.18 303 0.52 343 19 1.02 368 10 0.38 326 0.63 339 Summary quantities are Ey = 3574, E = 1188426, Ex, = 3.52, E x} = 2.7238, and x, V- 1226.27. Assume that the two variables are related according to the simple linear regression model. 1. The least squares estimate of the slope is .Round to 1 decimal place. 2. The least squares estimate of the intercept is . Round to 1 decimal place. 3. If the Hammett constant x is set to 0.17, what is the predicted maximum absorption? Round to 1 decimal place. 4. The observed value of maximum absorption at x = 0.17 is y = 301. What is the value of the coresponding residual? Round to 1 decimal place. 5. The totell sum of squares of y is and the error sum of…
The reaction temperaturen x in a certain chemical process has a uniform distribution with a = 0 and b=10. In the long run, what proportion of temperatures will be %3D between 2 and 7? 2/3 1/4 1/2 O1/10
4. (Exam 1 Summer 2020) Use the preamble below to answer the questions that follow An experiment to gain a better understanding of the role of various substances in melting ice was run in 2004 by Edinson Cavani, a researcher, in a certain lab in Memphis, TN. For each observation, a 10 ml block of ice was placed into water containing a given concentration of sugar, or salt, or a sugar and salt mix. The melting time for the ice block was measured in seconds and then converted to minutes. The three factors of interest were shape of ice block (lozenge, cylinder, and cube), solute (sugar, salt, and equal mix of sugar and salt), and concentration (5%, 10% 15%, 20%). (a) What is the response(outcome) variable for this study? Answer: (b) How many unique treatment combinations are there? Suppose there were two replicates per treatment combination, what is the total number of trials? i. Number of unique treatment combinations ii. Total number of trials Answer: Answer: (c) Would you say the…
Question 1 iid Consider two samples 1, 2, fa with E(X) = µ and finite V(X) iid 91, 92,, yn fy with E(Y) = y and finite V (Y) = 2. Assuming that the two samples are independent, show that -y is consistent estimator for Hr - Hy. ... = o2, and
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13:33 ull ? A alms-cdn.gelisim.edu.tr exercise - A researcher wishes to try three different techniques to lower the blood pressure of individuals diagnosed with high blood pressure. The subject are randomly assigned to three groups; the first group takes medication, the second group exercises, and the third group follows a special diet. After four weeks, the reduction in each person's blood pressure is recorded. At a = 0.05, test the claim that there is no difference among the mea The data are shown: - Medication Exercise Diet 10 6. 12 8 9 9. 3 12 15 8 13 4. EPI8OSpring 2008
The following data were obtained for Experiment 4(b) with a silicon diode: V I (volt) (A) 0.30 75 0.25 28 0.20 10.6 0.15 3.3 0.10 1.2 0.05 0.36 0.0 0.01 -0.05 -0.13 -0.10 -0.15 -0.15 -0.19 -0.20 -0.19 -0.25 -0.20 -0.30 -0.20 -0.40 -0.20 (a) Plot a graph of I versus V. (b) Determine the saturation current Io for the diode from the graph of your measurements. (c) Linearise equation (4.8) showing all your work. (d) Do a linear regression analysis of the data and plot the best straight line through the points.
An artide n the ACI Materials Journal (vol. 84, 1987, po. 213-216) describes several experiments investigating the rodding of concrete to remove trapped ar. Amch 6-inch cylinder was used, and the number of tumes this rod was used is the design variable The resulting compressive strength of the concrete specimen is the response. The data are shown n the following table. s the Compressive Strength (psi) Rodding Level Observations 10 1530 1530 1440 15 1610 1650 1500 20 150 1730 1530 25 1500 1490 1510 Calculate the test statistic fo Input answer up to 2 decimal places. Test StatisticfBlank 1 Blank 1 Add your answer
Find the instantaneous form for each of the following phasors: 20 (a) A, = j10a, +a (b) B, = j4e-*a, + 6e*P*a, (c) C, = j2e=20%e¬J#lda -20z
An article contained the following observations on degree of polymerization for paper specimens for which viscosity times concentration fell in a certain middle range: 415 420 421 422 426 427 432 434 437 438 446 447 450 452 457 463 464 (a) Construct a boxplot of the data. 420 430 440 450 460 420 430 440 450 420 430 440 450 460 420 430 440 450 460 Comment on any interesting features. (Select all that apply.) There is one outlier. n The data is strongly skewed. n The data appears to be centered near 428. n There are no outliers. n The data appears to be centered near 438. n There is little or no skew. (b) Is it plausible that the given sample observations were selected from a normal distribution? Yes o No (c) Calculate a two-sided 95% confidence interval for true average degree of polymerization. (Round your answers to two decimal places.) Does the interval suggest that 440 is a plausible value for true average degree of polymerization? o Yes o No Does the interval suggest that 456 is a…

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