More twins 2009 As the table shows, the number of twins born in the United States has
Chapter 0, Problem 5(choose chapter or problem)
More twins 2009? As the table shows, the number of twins born in the United States has been increasing. (www.cdc.gov/nchs/births.htm) a) Find the equation of the regression line for predicting the number of twin births. b) Explain in this context what the slope means. c) Predict the number of twin births in the United States for the year 2014. Comment on your faith in that prediction. d) Comment on the residuals plot.
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