As education increases, so does income. There is a direct relationship between age and health. The greater the wealth, the greater the happiness. Happy people live longer than unhappy people. Job prestige and income go hand in hand.
Women watch TV more than men because they are likely to work fewer hours outside the home than men.
People who work earn more than people who do not work 3. Blacks are more likely to vote for the Democratic Party than whites. Universities which offer the PhD have larger endowments than universities that do not. Small families are more likely to be happy than large families. Fraternity men are more likely than men not in fraternities to rape.