Please be advised these are practice exam questions. !Required informationTo assess the effect of piston ring type and oil type on piston ring wear, three types of piston rings and four types of oilwere studied. Three replications of an experiment, in which the number of milligrams of material lost from the ring in fourhours of running was measured, were carried out for each of the 12 combinations of oil type and piston ring type. With oiltype as the row effect and piston ring type as the column effect, the following sums of squares were observed: SSA =1.293, SSB = 0.9340, SSAB = 0.2485, SSE = 1.7034.Is the additive model plausible? Provide the value of the test statistic and the P-value. (Round the final answer to three decimal places.)The test statistic isP-value: (Click to select)The additive model is (Click to select)

The test statistic is 5.13. p-value is 0.0139. The additive model is plausible.Explanation:Step…

Answered: ! Required information To assess the…

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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Engineers aim to analyze the impact of polypropylene fibers on the compressive strength of concrete. They create 15 concrete cubes and allocate them randomly across five levels of fiber content (0%, 0.25%, 0.50%, 0.75%, and 1%), then measure the concrete strength. The resulting data are as follows Fiber contents in % Obs 0 1 2 3 4 5 7.80 7.40 7.20 7.90 7.30 0.5 1 7.40 5.70 6.90 5.80 7.10 5.60 7.00 5.50 7.20 5.30 What is the ratio of MS trmt and MSE, that is, MS trmt/MSE? Options: 5.246 0.057 0.798 92.04
! Required information Check my To assess the effect of piston ring type and oil type on piston ring wear, three types of piston rings and four types of oil were studied. Three replications of an experiment, in which the number of milligrams of material lost from the ring in four hours of running was measured, were carried out for each of the 12 combinations of oil type and piston ring type. With oil type as the row effect and piston ring type as the column effect, the following sums of squares were observed: SSA = 1.293, SSB = 0.9340, SSAB = 0.2485, SSE = 1.7034. Is the additive model plausible? Provide the value of the test statistic and the P-value. (Round the final answer to three decimal places. The test statistic is P-value: 0.001 C
Nicole and Jen are atidnyjng factors affecting FEV(forced exploratory volume- how much air a person can push out in a forced breath). Their investigation focuses on data from a sample of 12 patients: Patient height(cm) FEV(L) Luve in a smokinghousehold 1 153 2.23 N 2 168 2.98 N 3 183 4.50 N 4 178 4.82 Y 5 185 4.32 N 6 169 3.21 N 7 173 3.69 Y 8 168 2.68 Y 9 157 2.20 Y 10 166 3.35 N 11 171 3.08 N 12 175 3.30 Y q4 Jen and Nicole are now looking at the raltiknshil between smoking and FEV a. Construct 2 boxplot side by side on the same graph for the FEV data broken into smoking into non smoking. The quartile statistics have been calculated and out in the table to help you: FEV stats smoker non smoker 1st quartile 2.44 2.98 2nd 4.26 4.32 use the statistics in this table together with information from the table at the tap of that page to construct your boxplots - include all label titles and other relevant information b. Identify at least…
Nicole and Jen are atidnyjng factors affecting FEV(forced exploratory volume- how much air a person can push out in a forced breath). Their investigation focuses on data from a sample of 12 patients: Patient height(cm) FEV(L) Luve in a smokinghousehold 1 153 2.23 N 2 168 2.98 N 3 183 4.50 N 4 178 4.82 Y 5 185 4.32 N 6 169 3.21 N 7 173 3.69 Y 8 168 2.68 Y 9 157 2.20 Y 10 166 3.35 N 11 171 3.08 N 12 175 3.30 Y q2 a. Based on your scatter plot estimate a correlation coefficient to quantity the relation between height and FEV. Put your answer into one decimal place. b. Use key wits to describe the relationship between the height and FEV VARIABLES c. Jen is form America and more comfortable working with height in feet. If hen converts the height data from the cm to feet(mutlpiy by 0.0328) how will correlation coefficient that you estranged in a perk of change.explain.
Nicole and Jen are atidnyjng factors affecting FEV(forced exploratory volume- how much air a person can push out in a forced breath). Their investigation focuses on data from a sample of 12 patients: Patient height(cm) FEV(L) Luve in a smokinghousehold 1 153 2.23 N 2 168 2.98 N 3 183 4.50 N 4 178 4.82 Y 5 185 4.32 N 6 169 3.21 N 7 173 3.69 Y 8 168 2.68 Y 9 157 2.20 Y 10 166 3.35 N 11 171 3.08 N 12 175 3.30 Y q1 create a scatter plot of the height and FEV variables - independent and dependent variable -title labels axle break if appropriate units etc. q2 a. Based on your scatter plot estimate a correlation coefficient to quantity the relation between height and FEV. Put your answer into one decimal place. b. Use key wits to describe the relationship between the height and FEV VARIABLES c. Jen is form America and more comfortable working with height in feet. If hen converts the height data from the cm to feet(mutlpiy by 0.0328) how will…
Nicole and Jen are atidnyjng factors affecting FEV(forced exploratory volume- how much air a person can push out in a forced breath). Their investigation focuses on data from a sample of 12 patients: Patient height(cm) FEV(L) Luve in a smokinghousehold 1 153 2.23 N 2 168 2.98 N 3 183 4.50 N 4 178 4.82 Y 5 185 4.32 N 6 169 3.21 N 7 173 3.69 Y 8 168 2.68 Y 9 157 2.20 Y 10 166 3.35 N 11 171 3.08 N 12 175 3.30 Y q5 jen and Nicole have decided to expand their study to a sample of 50 patients list 3 factors they should consider to ensure a good representative sample of the genetic population.
Nicole and Jen are atidnyjng factors affecting FEV(forced exploratory volume- how much air a person can push out in a forced breath). Their investigation focuses on data from a sample of 12 patients: Patient height(cm) FEV(L) Luve in a smokinghousehold 1 153 2.23 N 2 168 2.98 N 3 183 4.50 N 4 178 4.82 Y 5 185 4.32 N 6 169 3.21 N 7 173 3.69 Y 8 168 2.68 Y 9 157 2.20 Y 10 166 3.35 N 11 171 3.08 N 12 175 3.30 Y q3 the line of best fit between the HEIGHT and FEV variables can be described by: F=0.08H-10 whee F represents FEV(L) and H represent height(cm) use this equation to predict: a. The FEV of a patient who is 183 cm talk(Give your answer to 2 decimal point) b. The height of a patients with a FEV of 2.651L(give your answer to the nearest whole number)
During a particularly dry growing season in a southern state, farmers noticed that there is a delicate balance between the number of seeds that are planted per square foot and the yield of the crop in pounds per square foot. The yields were the smallest when the number of seeds per square foot was either very small or very large. The data in the table show various numbers of seeds planted per square foot and yields (in pounds per square foot) for a sample of fields. A 2-column table with 15 rows. Column 1 is labeled number of seeds (per square foot) with entries 28, 75, 30, 43, 71, 35, 40, 59, 66, 79, 85, 81, 16, 33, 16. Column 2 is labeled yield (pounds per square foot) with entries 131, 171, 132, 166, 169, 150, 161, 183, 173, 161, 147, 157, 86, 145, 86. Which scatterplot represents the seed and yield data? A graph titled number of Seeds and Crop Yield has seeds (per square foot) on the x-axis, and yard (pounds per square foot) on the y-axis. The points curve up to a point, and…
Check my w Required information To assess the effect of piston ring type and oil type on piston ring wear, three types of piston rings and four types of oil were studied. Three replications of an experiment, in which the number of milligrams of material lost from the ring in four hours of running was measured, were carried out for each of the 12 combinations of oil type and piston ring type. With oil type as the row effect and piston ring type as the column effect, the following sums of squares were observed: SSA 1.293, SSB = 0.9340, SSAB = 0.2485, SSE = 1.7034. How many degrees of freedom are there for the effect of piston ring type?
The authors of a paper compared two different instruments for measuring a person's capacity for breathing out air. (This measurement is helpful in diagnosing various lung disorders.) The two instruments considered were a Wright peak flow meter and a mini-Wright peak flow meter. Seventeen people participated in the study, and for each person air flow was measured once using the Wright meter and once using the mini-Wright meter. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table.…
The authors of a paper compared two different instruments for measuring a person's capacity for breathing out air. (This measurement is helpful in diagnosing various lung disorders.) The two instruments considered were a Wright peak flow meter and a mini-Wright peak flow meter. Seventeen people participated in the study, and for each person air flow was measured once using the Wright meter and once using the mini-Wright meter. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table.…
9.2 & 9.3 Homework i Saved ! Required information Help Save To assess the effect of piston ring type and oil type on piston ring wear, three types of piston rings and four types of were studied. Three replications of an experiment, in which the number of milligrams of material lost from the ring in four hours of running was measured, were carried out for each of the 12 combinations of oil type and piston ring type With oil type as the row effect and piston ring type as the column effect, the following sums of squares were observe SSA 1.293, SSB = 0.9340, SSAB = 0.2485, SSE = 1.7034. How many degrees of freedom are there for error?

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