An economist wishes to determine whether there is evidence that mean family income in a community is
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Question:
An economist wishes to determine whether there is evidence that mean family income in a community is less than $50,000, what type of test should be used?
A.
A two-tail test should be utilized.
B.
Either a one-tail or two-tail test could be used with equivalent results.
C.
A one-tail test should be utilized.
D.
Neither a one-tail nor a two-tail test should be utilized.
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