Does the amount of feltilizer increase the yield of wheat
Chapter 25, Problem 25.8(choose chapter or problem)
Does the amount of feltilizer increase the yield of wheat X [kg/plot]? Use a sample of values ordered according to increasing amounts of fertilizer: 41.4 43.3 39.6 43.0 44.1 45.6 -l4.5 46.7.
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