Question: More twins 2004? As the table on the next page shows, the number of twins born in the United States has been increasing. (www.cdc.gov/nchs/births.htm) a)

More twins 2004? As the table on the next page 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 of this line means.

c) Predict the number of twin births in the United States for the year 2010. Comment on your faith in that prediction.

d) Comment on the residuals plot

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