Using the data below, we would like to understand why some
cities have a higher proportion of creative-class workers than
others. Under one theory, the proportion may be explained only by
the city’s income, while in another theory, income along with
population and cost-of-living are thought to explain the
proportion..
(a) Estimate a linear regression model for each theory and
report your results.
(b) Use an F test to choose one theory over another.
(c) State the null hypothesis, the...