Last cigarette. Take another look at the
Chapter 8, Problem 31(choose chapter or problem)
Last cigarette. Take another look at the regressionanalysis of tar and nicotine content of the cigarettes inExercise 27.a) Write the equation of the regression line.b) Estimate the Nicotine content of cigarettes with 4 mil-ligrams of Tar.c) Interpret the meaning of the slope of the regressionline in this context.d) What does the y-intercept mean?e) If a new brand of cigarette contains 7 milligrams of tarand a nicotine level whose residual is 0.5 mg, what isthe nicotine content?
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