Comparing means, paired samples. Comparing means, independent samples Some MSAs lost population between 1970 and 1990, while others gained population. Mathematically, this can be done several ways, from a simple percentage change to a compound rate of average annual growth. Have it equal 1 if population growth is greater than or equal to 0, and equal 0 if population growth is less than 0. The primary determinant of the total income of an MSA is population.
More people means more people working and more income.
Use TPI90 as the dependent variable, POP90 as the dependent. Multiple Regression Exercise 5 is neither difficult nor surprising. A more interesting question concerns the determinants of per capita income. Many people fear that we are becoming a nation of hamburger flippers, and that the growth of services is intimately tied to a stagnation in income growth. 7. through 9.