qual Sample Sizes: Veights (kg) of poplar trees were obtained from trees lanted in a sandy and dry region. The trees were given ifferent treatments identified in the table below. Use a .05 significance level to test the claim that the four reatment categories yield poplar trees with the same hean weight. Is there a treatment that appears to be host effective in the sandy and dry region? Fertilizer No Treatment Fertilizer Irrigation and Irrigation

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