When laboratory rats are exposed to asbestos fibers, some of them develop lung tumors
Chapter 1, Problem 22(choose chapter or problem)
When laboratory rats are exposed to asbestos fibers, some of them develop lung tumors. The table lists the results of several experiments by different scientists. (a) Find the regression line for the data. (b) Make a scatter plot and graph the regression line. Does the regression line appear to be a suitable model for the data? (c) What does the y-intercept of the regression line represent? Asbestos exposure (fibersymL) Percent of mice that develop lung tumors Asbestos exposure (fibersymL) Percent of mice that develop lung tumors 50 2 1600 42 400 6 1800 37 500 5 2000 38 900 10
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