Question3:An aluminum master alloy manufacturer producesgrain refiners in ingot form. The company produces the prod-uct in four furnaces. Each furnace is known to have its ownunique operating characteristics, so any experiment run in thefoundry that involves more than one furnace will consider fur-naces as a nuisance variable. The process engineers suspectthat stirring rate affects the grain size of the product. Each fur-nace can be run at four different stirring rates.Stirring Rate (rpm)510152018141417Furnace352456969346926(a) Is there any evidence that stirring rate affects grainsize?(b) Graph the residuals from this experiment on a normalprobability plot. Interpret this plot.(c) Plot the residuals versus furnace and stirring rate. Doesthis plot convey any useful information?(d) What should the process engineers recommend con-cerning the choice of stirring rate and furnace forthis particular grain refiner if small grain size isdesirable?

Given:- An aluminum master alloy manufacturer produces grain refiners ingot form. The…

Answered: An aluminum master alloy manufacturer…

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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part a is identifying the claim and stating H0 & Ha.
Temperature transducers of a certain type are shipped in batches of 50. A sample of 60 batches was selected, and the number of transducers in each batch not conforming to design specifications was determined, resulting in the following data: 3 2 0 5 3 3 1 1 1 3 4 1 2 3 2 2 8 6 4 2 1 1 2 3 1 1 4 7 2 3 4 2 1 3 0 2 3 2 1 0 4 4 1. 1 6 0 3 3 3 7 1 2 3 n USE SALT (a) Determine frequencies and relative frequencies for the observed values of x = number of nonconforming transducers in a batch. (Round your relative freguencies to four decimal places.) Nonconforming Frequency Relative Frequency 1 2 3 4 5 6 7 8 (b) What proportion of batches in the sample have at most six nonconforming transducers? (Round your answer to four decimal places.) What proportion have fewer than six? (Round your answer to four decimal places.) What proportion have at least six nonconforming units? (Round your answer to four decimal places.) (c) Draw a histogram of the data using relative frequency on the vertical scale.…
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A manufacturing company employs two inspecting devices to sample a fraction of their output for quality control purposes. The first inspection monitor is able to accurately detect 99.3% of the defective items it receives, whereas the second is able to do so in 99.7% of the cases. Assume that four defective items are produced and sent out for inspection. Let X and Y denote the number of items that will be identified as defective by inspecting devices 1 and 2, respectively. Determine the following. 1) fxy(x,y) 2) fx (x)3) fY|2 4) E(x)Show all work
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Choose the correct answer
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III. At the Olympic level of competition, even the smallest factors can make a difference between winning and losing. Previous research has found that Olympic marksmen shoot much better when they fire between heartbeats rather than during heartbeats (Pelton, 1983). The tiny vibration of a heartbeat appears to be enough to influence accuracy. A student at the University of Texas attempts to replicate the study with a group of collegiate marksmen. A group of collegiate marksmen (n = 6) fire a series of rounds while the student records heartbeats. For each shooter, a score is recorded for shots fired between and during heartbeats. Do the data support the earlier finding? Use alpha = .05. Shooter During Heartbeats Between Heartbeats A 93 98 В 90 94 C 95 96 92 91 E 95 97 F 91 97 State the hypotheses, critical values with df and alpha = .05, use SPSS and attach the SPSS output (which you've pasted into a word document to save the trees!) AND highlight the test-statistic and any other…
.... At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. Wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. The cyclic nature of wind and moving sand determines the shape and location of large dunes. At a test site, the prevailing direction of the wind did not change noticeably. However, the velocity did change. Sixty-two wind speed readings gave an average velocity of x = 1075 cm/sec. Based on long-term experience, o can be assurhed to be 250 cm/sec. (a) Find a 95% confidence interval for the population mean wind speed at this site. (Round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec (b) Does the confidence interval indicate that the population mean wind speed is such that the sand is always moving at this site? Explain. O No. This interval Indicates that the population mean wind speed is such that the sand may not always be moving at this…

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