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Fynjy0 [20]
3 years ago
5

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 one-tail test should be utilized. c. a two-tail test should be utilized. d. None of the above.

Business
1 answer:
nikklg [1K]3 years ago
9 0

Answer:

b. a one-tail test should be utilized.

Explanation:

It can be said that the best way for the economist to make this determination would be to use a one-tail test. This is a statistical test in which the critical area of a distribution is one-sided, making it either exceed or fall short of a certain value, but not both as seen in the graph below. Which in this case, the certain value would be $50,000 and the information will be on either side. Thus showing the economist if the mean family income truly exceeds the $50,000

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