An article in the IEEE Transactions on Components, Hybrids, and Manufacturing Technology (1992, Vol. 15) describes an experiment forinvestigating a method for aligning optical chips onto circuit boards. The method involves placing solder bumps onto the bottom of thechip. The experiment used three solder bump sizes and three alignment methods. The response variable is alignment accuracy (inmicrometers). The data are as follows:Solder Bump Size Alignment Method(diameter in um)2754.611.581.004.501.420.961302.371.70 0.782.471.75 0.962604.902.72 2.414.502.61 2.50(a) Is there any indication that either solder bump size or alignment method affects the alignment accuracy? Is there any evidence ofinteraction between these factors? Use a = 0.05.The solder bump sizethe alignment accuracy, the alignment methodthe alignmentaccuracy, the interaction between solder size and alignment methodsignificant in affecting alignment accuracy.(b) What recommendations would you make about this process?To improve alignment accuracy, it seems that solder size should be set atum while the alignment method used should bemethod(c) Analyze the residuals from this experiment. Comment on model adequacy.The assumption of normalityreasonable, the assumption of constant variancev reasonable.

Given information: a) Method 1 Method 2 Method 3 Size 75 4.61 1.58 1 4.5 1.42 0.96…

Answered: An article in the IEEE Transactions on…

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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all exercises, in minitab screen shots. Instructions:Do the exercises in minitab
The purpose of a study was to determine the effectiveness of segmental wire fixation in athletes with spondylolysis. Between 1993 and 2000, 20 athletes (6 women and 14 men) with lumbar spondylolysis were treated surgically with the technique. The following table gives the Japanese Orthopaedic Association (JOA) evaluation score for lower back pain syndrome for men and women prior to the surgery. The lower score indicates less pain. Assume that the two populations of pain scores are normally distributed with equal variances. Gender JOA scoresFemale 14, 13, 24, 21, 20, 21Male 21, 26, 24, 24, 22, 23, 18, 24, 13, 22, 25, 23, 21, 25 What is the upper AND lower bound of a 90% confidence interval for the difference in means? (Hint: Use Female – Male)
A U-shaped component is to be formed from the three parts A, B, and C. See figure below. The length of A is normally distributed with a mean of 10 mm and a standard deviation of 0.1 mm. The thickness of parts B and C is normally distributed with a mean of 2 mm and a standard deviation of 0.05 mm. Assume that all dimensions are independent. (a) Determin the mean and standard deviation of the lenght of the gap D. (b) What is the propability that the gap D is tess than 5.9mm?
An article in the IEEE Transactions on Components, Hybrids, and Manufacturing Technology (Vol. 15, No. 2, 1992, pp. 146-153) describes an experiment in which the contact resistance of a brake-only relay was studied for three different materials (all were silver-based alloys). The data are as follows: Alloy Contact Resistance 1 95 97 99 98 99 99 99 94 95 98 104 102 102 105 99 102 111 103 100 103 3 119 130 132 136 141 172 145 144 135 150 (a) Does the type of alloy affect mean contact resistance? Use a = 0.0I. Calculate to 2 decimal places fo: i Is there evidence to suggest a difference in the mean contact resistance due to the type of alloy? (b) Use the Fisher's LSD analysis from Minitab to analyze the means of the five different types of alloy. Intervals for (column level mean) - (row level mean): 1 2 [-13.58, 1.98] 3 [-50.88,-35.32] [-45.08, -29.52] Which of the following pair(s) of material types (all) have significant differences of contact resistance? 9% confidence interval on mean…
Reducing scrap of 4-foot planks of hardwood is an important factor in reducing cost at a wood-flooring manufacturing company. Accordingly, engineers at Lumberworks are investigating a potential new cutting method involving lateral sawing that may reduce the scrap rate. To examine its viability, samples of 500 and 400 planks, respectively, were examined under the old and new methods. Sixty-five of the 500 planks were scrapped under the old method, whereas 35 of the 400 planks were scrapped under the new method. (You may find it useful to reference the appropriate table: z table or t table) a. Construct the 90% confidence interval for the difference between the population scrap rates between the old and new methods, respectively. Report the lower and the upper limits as proportions. (Negative value should be indicated by a minus sign. Round final answers to 2 decimal places.) Confidence interval is to
Aircraft primer paints are applied to aluminum surfaces to improve paint adhesion. Theprocess engineering group responsible for this operation is interested in learning whetherthree different primers differ in their adhesion properties. An experiment was designed andconducted to investigate the effect of paint primer type on paint adhesion. For each primertype, six specimens were painted, then a finish paint was applied, and the adhesion force wasmeasured. The data from the experiment are shown in the following table.Adhesion force (MPa)Primer Type X 4.5 4.5 4 5 5.5 5Y 5.5 5.5 6 6.5 7 7Z 3.5 4 3 4 5 4.5a) What type of experiment is this? What type of analysis id needed for the investigation?Break down the details and parameters of this experiment design. You must list theparameters that were considered in the design and also mention the quantity of each.b) Does primer type make a significant impact on adhesion, at 5% significance level?
The article "Bone Density and Insertion Torque as Predictors of Anterior Cruciate Ligament Graft Fixation Strength"t gave the accompanying data on maximum insertion torque (N• m) and yield load (N), the latter being one measure of graft strength, for 15 different specimens. Torque 1.8 2.2 1.9 1.3 2.1 2.2 1.6 2.1 1.2 1.8 2.6 2.5 2.5 1.7 1.6 Load 491 477 598 361 605 671 466 431 384 422 554 577 642 348 446 (a) Is it plausible that yield load is normally distributed? Yes, there are more than thirty data values. No, a normal probability plot of yield load is not quite linear. Yes, a normal probability plot of yield load is quite quadratic. No, there is not more than thirty data values. Yes, a normal probability plot of yield load is quite linear. (b) Estimate true average yield load by calculating a confidence interval with a confidence level of 95%. (Round your answer to two decimal places.) Interpret the interval. We are 95% confident that the true population average yield load lies below…
A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the following observations on the area of scleral lamina (mm2) from human optic nerve heads: 2.74 2.52 2.78 3.94 2.36 2.65 3.94 4.28 3.98 4.25 3.51 4.42 2.34 3.70 2.80 3.63 3.05 (a) Calculate Ex¡ and Ex;2. (Round Ex;² to two decimal places.) Σχ- mm2 %3D Ex,? = mm4 %3D (b) Use the values calculated in part (a) to compute the sample variance s² and then the sample standard d&viation s. (Round your answers to three decimal places.) s2 = mm 4 %3D mm2
The average age for licensed drivers in a county is µ = 41.6, σ = 12, and the distribution is approximately normal. A county police officer was interested in whether the average age of drivers receiving speeding tickets differed from the average age of the driving population. She obtained a sample of N = 16 drivers with speeding tickets. The average age for this sample was M = 34.4 and alpha = 0.05. calculate statistical power for this study.
Apply the predictive control law to a fifth-order process:Y(s)/(s)=1/(5s+1)⁵.Evaluate the effect of tuning paramete rJ on the set-pointresponses for values of J=3, 4, 6, and 8 and Δt=5 min.
Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. An article in Computers & Electrical Engineering, "Parallel simulation of cellular neural networks" (1996, Vol. 22, pp. 61-84) considered the speed-up of cellular neural networks (CNN) for a parallel general-purpose computing architecture based on six transputers in different areas. The data follow: 3.775302 3.350679 4.217981 4.030324 4.639692 4.139665 4.395575 4.824257 4.268119 4.584193 4.930027 4.315973 4.600101 Round your answers to 3 decimal places. Assume population is approximately normally distributed. (b) Construct a 99% two-sided confidence interval on the mean speed-up. <μ< i (c) Construct a 99% lower confidence bound on the mean speed-up. i <μ
In Applied Spectroscopy, the infrared reflectance spectra properties of a viscous liquid used in the electronics industry as a lubricant were studied. The designed experiment consisted of the effect of band frequency x1 and film thickness x2 on optical density y using a Perkin-Elmer Model 621 infrared spectrometer. (Source: Pacansky, J., England, C. D., and Wattman, R., 1986.) y. Q4. 0.231 740 1.10 0.107 0.053 0.129 0.069 0.030 1.005 0.559 0.321 2.948 1.633 0.934 740 740 SO5 805 805 0.62 0.31 1.10 0.62 0.31 1.10 0.62 0.31 1.10 0.62 980 980 980 1235 1235 1235 0.31 Estimate the multiple linear regression equation.

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