Weights (kg) of poplar trees were obtained from trees planted in a rich and moist region. The trees were given different treatments identified in the accompanying table. Use a 0.05 significance level to test the claim that the four treatment categories yield poplar trees with the same mean weight. Is there a treatment that appears to be most effective? No Treatment Fertilizer Irrigation Fertilizer_and Irrigation 1.27 0.97 0.07 0.83 0.69 0.95 0.76 1.53 0.69 0.58 0.11 0.93 0.07 0.53 0.74 1.55 1.21 0.95 0.92 1.29 A. Determine the null hypothesis and alternative hypothesis. B. Calculate the test statistic. C. What is the P Value? D. Determine the conclusion of the hypothesis test.
Weights (kg) of poplar trees were obtained from trees planted in a rich and moist region. The trees were given different treatments identified in the accompanying table. Use a 0.05 significance level to test the claim that the four treatment categories yield poplar trees with the same mean weight. Is there a treatment that appears to be most effective? No Treatment Fertilizer Irrigation Fertilizer_and Irrigation 1.27 0.97 0.07 0.83 0.69 0.95 0.76 1.53 0.69 0.58 0.11 0.93 0.07 0.53 0.74 1.55 1.21 0.95 0.92 1.29 A. Determine the null hypothesis and alternative hypothesis. B. Calculate the test statistic. C. What is the P Value? D. Determine the conclusion of the hypothesis test.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 76E
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