(Solved by Humans)-If a researcher wishes to determine whether there is evidence
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- If a researcher wishes to determine whether there is evidence that the mean family income in the U.S. is greater than $30,000, then:
a one-tailed test should be utilized, in which the region of rejection is in the left (lower tail). either a one-tailed or a two-tailed test could be used. a one-tailed test should be utilized, in which the region of rejection is in the right (upper tail). a two-tailed test should be utilized.
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This question was answered on: 10 May, 2025
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