Solved: The article Effects of Gamma Radiation on Juvenile
Chapter 0, Problem 13.30(choose chapter or problem)
The article Effects of Gamma Radiation on Juvenile and Mature Cuttings of Quaking Aspen (Forest Science [1967]: 240245) reported the following data on x exposure to radiation (kR/6 hours) and y dry weight of roots (mg): x 0 2 468 y 110 123 119 86 62 a. Construct a scatterplot for these data. Does the plot suggest that the simple linear regression model might be appropriate? b. The estimated regression line for these data is 127 6.65x and the standardized residuals are as given. x 0 24 6 8 St. resid. 1.55 0.68 1.25 0.05 1.06 Construct a standardized residual plot. What does the plot suggest about the adequacy of the simple linear regression model?
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