Which of the following restricted the scope of Congress's power to regulate commerce?
A) Dillon's rule
B) the rise of cooperative federalism
C) McCulloch v. Maryland
D) U.S. v. Lopez
E) the Wagner Act
Question 2
Sampling error deals with _______; selection bias deals with ________; and measurement error deals with ________.
A) which people you ask; the number of people you ask; the questions you ask
B) focus groups; polls; turnout
C) the number of people you ask; which people you ask; the questions you ask
D) polls; turnout; focus groups
E) turnout; focus groups; polls