The table shows the number of live births per 1000 women aged 15-44 years in the United States, starting in 1965. (National Center for Health Statistics,
a) Make a scatterplot and describe the general trend in Birthrates. (Enter Year as years since 1900: 65, 70, 75, etc.)
b) Find the equation of the regression line.
c) Check to see if the line is an appropriate model. Explain.
d) Interpret the slope of the line.
e) The table gives rates only at 5-year intervals. Estimate what the rate was in 1978.
f) In 1978, the birthrate was actually 15.0. What was the residual?
g) Predict what the Birthrate will be in 2012. Comment on your faith in this prediction. h) h) Predict the Birthrate for 2050. Comment on your faith in this prediction.

  • CreatedMay 14, 2015
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