Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition and an abraded condition. Use the paired t test to test H: μ = 0 versus H₂: μ> 0 at significance level 0.01. (Use μ = μ₁-₁₂)Fabric568234755.0 51.1 38.5 43.2 48.8 25.6 49.920.0 46.034.0 36.5 52.5 26.5 46.5=UAP-value=136.528.5Calculate the test statistic and determine the P-value. (Round your test statistic to one decimal place and your P-value three decimal places.)USE SALTState the conclusion in the problem context.O Reject H. The data suggests a significant mean difference in breaking load for the two fabric load conditions.O Fail to reject H. The data does not suggest a significant mean difference in breaking load for the two fabric load conditions.O Fail to reject H. The data suggests a significant mean difference in breaking load for the two fabric load conditions.O Reject H. The data does not suggest a significant mean difference in breaking load for the two fabric load conditions.

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Answered: Consider the accompanying data 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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Jllustration 36. A collar manufacturer is considering the production of a new style of collar Vio attract young men. The following statistics of neck circumferences are available based upon measurements of a typical group of college students: Mid-value (in inches) : 12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.5 016.0 No. of students 02 : 16 36 60 76 37 A 18 308-012 Compute the standard deviation and use the criterion X+30 where o is the standard deviation and X is the arithmetic mean to determine the largest and smallest size of the collar he chould make in order to meet the needs of practically all the customers bearing in mind that collars are worn on an average 1 inch longer than neck size.
Subps SPorti that highpn Plopgrt a a 1% level of significance. wea # Engle wood O Hoi Mi Mz %3D 2.
A researcher found that his calculated statistic value is smaller than the test’s table value. He then rejected his Ho. Identify the test that he used. a. Homogeneity test b. Mann-Whitney U test c. Chi-square test d. Kruskal-Wallis H test
Using the Kruskal-Wallis Test, verify whether it can be concluded that the three cities differ with respect to average daily charges imposed by some hospitals to their vicinities? Use 0.05 level of significance.
The compressive strength of concrete is normally distributed with mean 140 psi and variance 106 psi. A random sample of 54 specimens is collected. What is the standard error of the sample mean? a.)0.191 b.)1.321 c.)1.401 d.)1.744 e.)1.963 f.)14.425
llustration 20.24. A die is tossed 120 times with the following results: No. turned. up: 1 2 3 4 6. Total Frequency: 30 25 18 10 22 15 120 Test the hypothesis that the die is unbiased.
1. Let μ denote the true average level of radioactivity of the water in a nuclear plant. Five (5) picocuries per liter is considered the dividing line between safe and unsafe water. a. State the null and alternate hypothesis you would test if you worked at the plant andexplain why you chose your alternate hypothesis.b. In the context of this situation, describe what happens if there is a type I error and type II error.
Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 45 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that o = 7.10 ml/kg for the distribution of blood plasma. When finding an 99% confidence interval, what is the critical value for confidence level? (Give your answer to two decimal places.) z. = (a) Find a 99% confidence interval for the population mean blood plasma volume in male firefighters. What is the margin of error? (Round your answers to two decimal places.) lower limit upper limit margin of error (b) What conditions are necessary for your calculations? (Select all that apply.) O n is large o is unknown the distribution of volumes is uniform O o is known O the distribution…
sketch a standard normal curve and shade the area of interest in each problem) 6.60: Determine the area under the standard normal curve that lies between -0.88 and 2.24 -2.5 and -2 1.48 and 2.72 -5.1 and 1
How heavy a load (pounds) is needed to pull apart pieces of Douglas fir 4 inches long and 1.5 inches square? Students doing a laboratory exercise sample 20 pieces of wood and find an average load capacity of 30,841 pounds. We are willing to regard the wood pieces prepared for the lab session as an SRS of all similar pieces of Douglas fir. Engineers also commonly assume the characteristics of materials vary normally. Suppose that the strength of pieces of wood like these follow a normal distribution with a population standard deviation of 3,000 pounds (As you can see all three necessary assumptions are met). a. Assuming that all evergreen wood has a known "load" capacity average of 30,000 pounds. Make a two-sided hypothesis (null and alternative statement) about Douglas Fir "load" capacity compared to the overall average. b. Apply the formula for finding our test statistic (show your work or describe the process) Specifically, use the formula for the z-statistic (pasted below and on…
The Following table presents measurements of head roughness (in nanometers). Diameter Head Roughness 16 0.83 2.25 0.40 2.78 3.23 28 2.72 2.48 3.80 36 6.49 5.32 4.59 a. Using this data perform the Turkey-Kramer test to determine which pairs of means, if any, differ. Use the a=0.01 level of significance. a.
The haemoglobin level in g/dL for 14 pregnant women in Basra Maternity Teaching Hospital for the year 2019: 14.9 10.2 13.7 10.4 11.5 12.0 11.0 13.3 12.9 12.1 9.4 13.2 10.8 11.7 Q/ Calculate all the measures of central location and dispersion.

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