The table shows the number of live births per 1000 population in the United States, starting in 1965. (National Center f

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The Table Shows The Number Of Live Births Per 1000 Population In The United States Starting In 1965 National Center F 1 (44.12 KiB) Viewed 12 times

The table shows the number of live births per 1000 population in the United States, starting in 1965. (National Center for Health Statistics, www.cdc.gov/nchs/) Year 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Rate 19.4 18.4 14.8 15.9 15.6 16.4 14.8 14.4 14.0 13.0 12.4 be general trend (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 intervals. Estimate what the rate was in 1978. (f) In 1978, the birth rate was actually 15.0. Find the residual for the year 1978 and interpret its meaning. (g) The birth rate in 2020 was not yet available when this was written. Predict the birth rate in 2020 from your model. Comment on your faith in this prediction. (h) Predict the birthrate for 2050. Comment on your faith in this prediction.