The accompanying data are the weights (kg) of poplar trees that were obtained from trees planted in a rich and moist region. The trees were given different treatments identified in the accompanying table. Also shown are partial results from using the Bonferroni test with thesample data. Complete parts (a) through (c).Click the icon to view the data table of the poplar weights and the Bonferroni results.a. Use a 0.10 significance level to test the claim that the different treatments result in the same mean weight.Determine the null and alternative hypotheses.HoH₁₂:Determine the test statistic.The test statistic is(Round to two decimal places as needed.)Determine the P-value.The P-value is(Round to three decimal places as needed.)What is the conclusion for this hypothesis test at a 0.10 significance level?CO A. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the four different treatments yield the same mean poplar weight.OB. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the four different treatments yield the same mean poplar weight.O C. Fail to reject Ho. There is insufficient evidence to warrant rejection of the claim that the four different treatments yield the same mean poplar weight.O D. Reject Ho. There is insufficient evidence to warrant rejection of the claim that the four different treatments yield the same mean poplar weight.b. What do the displayed Bonferroni results tell us?With a P-value ofthereWith a P-value ofthereWith a P-value of, there(Round to three decimal places as needed.)a significant difference between the No Treatment and Fertilizer groups.▼a significant difference between the No Treatment and Irrigation groups.a significant difference between the No Treatment and Fertilizer and Irrigation groups. Poplar Weights (kg) and Bonferroni ResultsNo Treatment1.2110.5670.5590.1291.297(1) TREATMENT1.00Fertilizer0.9360.8740.4620.5781.028Bonferroni Results(J) TREATMENT2.003.004.00Irrigation0.0730.6640.0950.8210.939PrintMeanDifference (I-J)-0.02300.2342- 0.8456DoneFertilizer and Irrigation0.8491.7771.4712.2521.642Sig.1.000Std. Error0.269720.269721.0000.26972 0.038X

Given information: The data represents the weights of poplar trees that were obtained from trees…

Answered: The accompanying data are the weights…

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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Phosphorous is a chemical that is found in many household cleaning products. Unfortunately, phosphorous also finds its way into surface water, where it can harm fish, plants, and other wildlife. Two methods of phosphorous reduction are being studied. At a random sample of 7 locations, both methods were used and the total phosphorous reduction (mg/L) was recorded. Note: For degrees of freedom d.f. not in the Student's t table, use the closest d.f. that is smaller. In some situations, this choice of d.f. may increase the P-value a small amount and thereby produce a slightly more "conservative" answer. Site 1 2 3 4 5 6 7 Method I: 0.013 0.020 0.015 0.055 0.007 0.002 0.010 Method II: 0.014 0.045 0.017 0.039 0.017 0.001 0.013 Do these data indicate a difference (either way) in the average reduction of phosphorous between the two methods? Use α = 0.05. (Let d = Method I − Method II.) (i) What is the level of significance? What is the value of the sample test statistic? (Round…
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Use the given sample data to find Q3. 49 52 52 52 74 67 55 55 Question content area bottom Part 1 A. 6.0 B. 55.0 C. 67.0 D. 61.0

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