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
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.
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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.
Transcribed Image Text:
United States Europe 481 724 820 532 357 505 729 560 434 329 332 360 450 2315 865 1776 1122 496 330 410 1036 1224 634 230 329 800 447 1420 326 626 600 1310 652 877 580 210 447 567 252 824 932 600 634 1124 1575 565 405 2290 675 454 1243 605 360 525 926 722 850 310 430 532 375 1979 710 545 259 300 470 425 2
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a b c d e H 0 1 2 claim H 1 1 2 CV 258 X 1 6626111X 2 758875 Z X 1 …View the full answer
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Posted Date: September 02, 2015 04:08:57
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