Solved: For a particular variety of plant, researchers
Chapter 11, Problem 11.42(choose chapter or problem)
For a particular variety of plant, researchers wanted to develop a formula for predicting the quantity of seeds (in grams) as a function of the density of plants. They conducted a study with four levels of the factor x, the number of plants per plot. Four replications were used for each level of x. The data are shown as follows: Plants per Plot, Quantity of Seeds, y x (grams) 10 12.6 11.0 12.1 10.9 20 15.3 16.1 14.9 15.6 30 17.9 18.3 18.6 17.8 40 19.2 19.6 18.9 20.0 Is a simple linear regression model adequate for analyzing this data set?
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