Handwriting not allow please The following experimental results were found using an L8 OA.RunNo.O12345678202122A2311112222B11221122AxB11NNNN222211D12121212AxD121222121E12211221C12212112Result2118The average value of the quality characteristic when Factor D is at level 2 is.32323225381229

Solution:According to the given data, find the average value of the quality characteristics when…

Answered: The following experimental results were…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Given the same R software output below, is there sufficient evidence to say that the mean diameter of Penicillium roqueforti colonies grown on petri dishes filled with malt extract agar is not equal to 40.0 mm, at 5% level of significance?
Dr. Stevenson reported the following in a journal: “F (4, 106) = 10.09, p = .04.” Should Dr. Stevenson state that there are significant differences among the variable means at a .01 alpha level?
The following data were obtained from a two-factor independent-measures experiment with n=10 participants in each treatment condition. B1 B2 A1 M=4 T=50 SS=20 M=7 T=20 SS=28 A2 M=1 T=20 SS=12 M=4 T=30 SS-20 a. Calculate degrees of freedom and locate the critical region for each of the three tests (a=.05) b. Calculate the three F-ratios c. State the conclusion for each test.
Consider a sample of n = 114 women drawn randomly from the membership list of the National Organization for Women (N.O.W.), x = 24 of whom were found to smoke. Use the result of this sample to test whether the rate found is significantly different from the United States proportion of 0.31 for women and provide the z-statistic value below.
A. Determine the coefficient of determination and alienation – interpret B. Is r statistically significant at .05? (rxy= 0.2559) Participant Hours slept Anxiety Level 1 6 4 2 6 3 3 6 3 4 4 3 5 5 3 6 4 2 7 5 3 8 4 2 9 5 3 10 6 4 11 4 5 Mean 5.00 3.18 SD 0.89 0.87
In a test of H0:μ = 100 against H1:μ>100, a sample of size 80 producers z= 0.8 for the value of the test statistic. The P-value of the test is equal to?
Dr. Romanoff reported the following in a journal: “F (5, 106) = 10.09, p = .04.” Should Dr. Romanoff state that there are significant differences among the variable means at a .05 alpha level?
A population of trees has a mean leaf length of 6.2 inches. A sample of 17 of these trees in a particular neighborhood has a mean length of 3.2 inches. If SS = 144 for this sample, what is Cohen's d for this example, and what is the strength of the treatment effect, which in this case is growing in a particular neighborhood?
A treatment is administered to a sample selected from a population with a mean of u = 34 and a standard deviation of o = 8. After treatment, the effect size is measured by computing Cohen’s d, and a value of d = 0.00 is obtained. Based on this information, what is the mean for the treated sample?
Let ?1 denote true average tread life for a premium brand of P205/65R15 radial tire, and let ?2 denote the true average tread life for an economy brand of the same size. Test H0: ?1 − ?2 = 5000 versus Ha: ?1 − ?2 > 5000 at level 0.01, using the following data: m = 45, x = 42,100, s1 = 2400, n = 45, y = 36,200, and s2 = 1800.Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) z = P-value = State the conclusion in the problem context. Fail to reject H0. The data does not suggest that the difference in average tread life exceeds 5000.Reject H0. The data suggests that the difference in average tread life exceeds 5000. Fail to reject H0. The data suggests that the difference in average tread life exceeds 5000.Reject H0. The data does not suggest that the difference in average tread life exceeds 5000.
Let ?1 denote true average tread life for a premium brand of P205/65R15 radial tire, and let ?2 denote the true average tread life for an economy brand of the same size. Test H0: ?1 − ?2 = 5000 versus Ha: ?1 − ?2 > 5000 at level 0.01, using the following data: m = 45, x = 42,100, s1 = 2400, n = 45, y = 36,200, and s2 = 1800. Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) z = P-value = State the conclusion in the problem context. Fail to reject H0. The data does not suggest that the difference in average tread life exceeds 5000.Reject H0. The data suggests that the difference in average tread life exceeds 5000. Fail to reject H0. The data suggests that the difference in average tread life exceeds 5000.Reject H0. The data does not suggest that the difference in average tread life exceeds 5000.
An independent-measures study comparing two treatment conditions with n = 6 in each sample produces t = 4.00. What is the value of r2 for this study?

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