If an economist wishes to determine whether there is evidence ...

[fbq8i]

If an economist wishes to determine whether there is evidence that mean family income in a community equals 50,000,
 
  A) a one-tail test should be utilized.
  B) either a one-tail or two-tail test could be used with equivalent results.
  C) a two-tail test should be utilized.
  D) None of the above.

Question 2

If an economist wishes to determine whether there is evidence that mean family income in a community exceeds 50,000,
 
  A) either a one-tail or two-tail test could be used with equivalent results.
  B) a two-tail test should be utilized.
  C) a one-tail test should be utilized.
  D) None of the above.

[xoxo123]

Answer to Question 1

C

Answer to Question 2

C

[fbq8i]

TYSM

[juliaf]

Gracias!