The data set consists of information on 3200 ? full-time full-year workers. the highest educational achievement for each worker was either a high school diploma or a? bachelor's degree. the? worker's ages ranged from 25 to 45 years. the data set also contained information on the region of the country where the person? lived, marital? status, and number of children. for the purposes of these? exercises,

let ahe ? = average hourly earnings? (in 2005? dollars)

college ? = binary variable? (1 if? college, 0 if high? school)

female ? = binary variable? (1 if? female, 0 if? male)

age ? = age? (in years) ntheast ? = binary variable? (1 if region? = northeast, 0? otherwise)

midwest ? = binary variable? (1 if region? = midwest, 0? otherwise)

south ? = binary variable? (1 if region? = south, 0? otherwise)

west ? = binary variable? (1 if region? = west, 0? otherwise)