Author Question: If an economist wishes to determine whether there is evidence that mean family income in a community ... (Read 91 times)

fbq8i · **on:** Jun 24, 2018

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.