The Bureau of the Census estimates that by 2050, approximately what percent of the American ...

The Bureau of the Census estimates that by 2050, approximately what percent of the American population will be aged 85 or over?
 
  a. 18
  b. 25
  c. 38
  d. 48
  e. 58

Question 2

A theory:
 
  a. is fully supported by empirical evidence.
  b. is beyond empirical test.
  c. goes beyond the facts currently at hand.
  d. is only based on common sense and opinions.

Question 3

What is the best way to characterize the health care that the poor receive?
 
  a. inferior
  b. superior because of government insurance
  c. the same as care for wealthy people
  d. inferior only for the elderly poor
  e. about the same as for the average American

Question 4

The scientific process can BEST be viewed as:
 
  a. an arrow that goes straight from hypothesis to data to generalization.
  b. a frame which allows us to better see the meaning of data.
  c. a precision instrument which allows us to separate theory from fact.
  d. a wheel that moves continuously from theory to data and back again.

Question 5

John Running Deer is a Native American. He is more likely than someone in the general U.S. population to suffer from:
 
  a. kidney disease.
  b. hepatitis.
  c. alcoholism
  d. all of the above
  e. none of the above

Question 6

A correlation between two variables tells us:
 
  a. that one variable causes the other.
  b. why the relationship exists.
  c. which variable is more important than the other.
  d. that there is an empirical relationship between the two variables.