Poplar Tree Weights Weights (kg) of poplar trees were
Chapter 11, Problem 13(choose chapter or problem)
Poplar Tree Weights Weights (kg) of poplar trees were obtained from trees plantedin a rich and moist region. The trees were given different treatments identified in the tablebelow. The data are from a study conducted by researchers at Pennsylvania State Universityand were provided by Minitab, Inc. Use a 0.05 significance level to test the claim that the fourtreatment categories yield poplar trees with the same mean weight. Is there a treatment thatappears to be most effective?No Treatment Fertilizer Irrigation Fertilizer and Irrigation1.21 0.94 0.07 0.850.57 0.87 0.66 1.780.56 0.46 0.10 1.470.13 0.58 0.82 2.251.30 1.03 0.94 1.64
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