2. A new chemotherapy drug is relėased to may have fewer side effects than the most commonly used drug to treat leukemia. The two druas have equivalent efficacy. In order to determine if a larger study should be conducted to look into the prevalence of side effects for the two .05 level and interpret its results. leukemia and researchers suspect that the drug drugs, set up a Mann-Whitney U test at the alpha equals Number of Reported Side-Effects 3 3 Old Drug New Drug 1 1 4

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2. A new chemotherapy drug is released to treat leukemia and researchers suspect that the drue
may have fewer side effects than the most commonly used drug to treat leukemia. The two drugs
have equivalent efficacy. In order to determine if a larger study should be conducted to look into
the prevalence of side effects for the two
.05 level and interpret its results.
drugs, set up a Mann-Whitney U test at the alpha equals
Number of Reported Side-Effects
1
3
Old Drug
New Drug
1
4
Total Sample
(Ordered Smallest to
Largest)
Old Drug
Ranks
Old Drug
New Drug
New Drug
Old Drug
New Drug
A) We fail to reject Ho, which states the two populations are equal at the alpha equals .05 level
because the calculated U value of 16.5 is greater than the critical U value of 2.
B) We fail to reject Ho, which states the two populations are equal at the alpha equals .05 level
because the calculated U value of 8.5 is greater than the critical U value of 2.
C) We reject Ho in favor of H1, which states the two populations are not equal at the alpha equals
.05 level because the calculated U value of 16.5 is greater than the critical U value of 2.
D) We reject Họ in favor of H1, which states the two populations are not equal at the alpha equals
.05 level because the calculated U value of 8.5 is greater than the critical U value of 2.
Transcribed Image Text:2. A new chemotherapy drug is released to treat leukemia and researchers suspect that the drue may have fewer side effects than the most commonly used drug to treat leukemia. The two drugs have equivalent efficacy. In order to determine if a larger study should be conducted to look into the prevalence of side effects for the two .05 level and interpret its results. drugs, set up a Mann-Whitney U test at the alpha equals Number of Reported Side-Effects 1 3 Old Drug New Drug 1 4 Total Sample (Ordered Smallest to Largest) Old Drug Ranks Old Drug New Drug New Drug Old Drug New Drug A) We fail to reject Ho, which states the two populations are equal at the alpha equals .05 level because the calculated U value of 16.5 is greater than the critical U value of 2. B) We fail to reject Ho, which states the two populations are equal at the alpha equals .05 level because the calculated U value of 8.5 is greater than the critical U value of 2. C) We reject Ho in favor of H1, which states the two populations are not equal at the alpha equals .05 level because the calculated U value of 16.5 is greater than the critical U value of 2. D) We reject Họ in favor of H1, which states the two populations are not equal at the alpha equals .05 level because the calculated U value of 8.5 is greater than the critical U value of 2.
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