Question

A researcher wishes to see if the average length of the major rivers in the United States is the same as the average length of the major rivers in Europe. The data (in miles) of a sample of rivers are shown. At a = 0.01, is there enough evidence to reject the claim? Assume σ1= 450 and σ2 = 474.
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.


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  • CreatedSeptember 02, 2015
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