HW8 - (b) Compute the OLS estimates of ± and ² (show the...

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Homework 8 Due Tuesday June 21, 2011 Problems from the book 12-2 (a,b), 12-8 (a,b,c), 12-10, 13-8 (a,b,c) Additional Problem #5. The table below shows the number of live births per 1000 women aged 15{44 years in the United States, starting in 1965. Year 1965 1970 1975 1980 1985 Rate 19.4 18.4 14.8 15.9 15.6 (a) Make a scatterplot of the data and describe the general trend in birth rates.
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Unformatted text preview: (b) Compute the OLS estimates of ± and ² (show the calculation). Add the ±tted regression line to your plot. (c) Partition the total sum of squares (TSS) into residual (RSS) and explained (ESS) sums of squares. (d) Compute r 2 and give the interpretation. 1...
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This note was uploaded on 10/21/2011 for the course STA 103 taught by Professor Staff during the Summer '08 term at Duke.

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