Probably the most important duty of the Texas Railroad Commission ...

[tfester]

Probably the most important duty of the Texas Railroad Commission from the standpoint of the rest of the United States is
 
  A) regulating the production of oil and natural gas.
  B) setting the price of Texas-produced petroleum sold outside Texas.
  C) regulating intrastate trucking commerce.
  D) regulating the storage of toxic waste in underground salt domes.

Question 2

In a scientific public opinion poll, as the sample size increases, the sampling error should generally ________.
 
  A) decrease
  B) increase
  C) become zero
  D) remain unchanged
  E) move to 2

[popopong]

Answer to Question 1

A

Answer to Question 2

A

[tfester]

Gracias!

[Viet Thy]

Excellent