In order for a poll to be representative, pollsters must
A) be sure there is no margin of error.
B) use a random sample.
C) utilize exit polls whenever available.
D) poll more men than women.
E) not show themselves.
Question 2
Which of the following is true of the Aid to Families with Dependent Children (AFDC) policy?
A. States determined whether a smaller or larger proportion of poor families were eligible.
B. States under AFDC were given greater flexibility in administering welfare policies.
C. States under AFDC need not spend any of their welfare dollars on monthly cash payments to families.
D. It strengthened work requirements for recipients and limited the time that families can receive benefits.
E. States under AFDC had the option to use both public and private agencies to administer welfare.
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Representative Odor Thresholds
How to use Cramer's rule to solve a second-order determinant (Question 2)
First-order sensory neuron with free nerve endings
Here’s how you can demonstrate sampling error