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The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).
Suggested Answer: B
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27 comments · newest first
BE
Bernardine
11 months ago
Totally agree, it's a solid alternative to the t-test!
DE
Denny
11 months ago
Wait, is it really more widely applicable than the t-test?
LI
Lili
11 months ago
I thought it was less powerful than the t-test?
VE
Veronica
12 months ago
Definitely focuses on the equality of the median!
JA
Jaleesa
12 months ago
It's used for testing the identity of two populations.
GL
Glenn
12 months ago
I’m confused about the identity of populations part; does that relate to option A or something else?
LA
Lai
1 year ago
I practiced a question similar to this, and I feel like it might be more widely applicable than the t-test, so D could be right too.
KA
Kathrine
1 year ago
I think it focuses on the median, so maybe option B is one of the correct answers?
CH
Chau
1 year ago
I remember the Mann-Whitney test is used when we can't assume normality, but I'm not sure which options apply here.
MI
Miesha
1 year ago
Alright, I've got it! The Mann-Whitney test is unique for testing the identity of two populations and focusing on the equality of the medians. Those are the two correct answers here.
JU
Junita
1 year ago
Wait, I thought the Mann-Whitney test was less powerful than the t-test? I'm a bit confused on that part. Let me double-check the differences between the two tests.
SH
Shawana
1 year ago
I'm pretty confident the Mann-Whitney test focuses on the equality of the medians, not the means like the t-test. And I think it's more widely applicable than the t-test, since it doesn't have the same assumptions.
DE
Denny
1 year ago
Okay, I know the Mann-Whitney test is used for non-parametric data, so it's probably related to that. Let me review the options and see which ones match up.
JO
Joanna
1 year ago
Hmm, this is a tricky one. I'll need to think carefully about the differences between the Mann-Whitney test and the t-test to figure out the two correct answers.
RO
Ronny
1 year ago
This question is a real 'Mann-made' challenge, but I'm confident I can 'Whitney' this one out of the park!
MI
Mireya
1 year ago
You know, if I get this wrong, I'm going to feel like a 'Mann-down' on my exam score. But I'll try my best to 'Whitney' the competition!
JE
Jesusa
1 year ago
I'm glad they specified that there are two correct answers. Otherwise, I'd be scratching my head trying to figure out which one is right!
DE
Dean
1 year ago
B) Focuses on equality of the Median of the two populations
LE
Leah
1 year ago
A) Testing the identity of two populations
DO
Dorsey
1 year ago
Hmm, I was a bit unsure about C and D. Aren't the t-test and Mann-Whitney test both powerful in their own ways, depending on the situation?
RE
Renato
1 year ago
A and B seem like the correct answers to me. The Mann-Whitney test is used to compare the distributions of two populations, not just the means like the t-test.
EL
Eladia
1 year ago
I agree, A and B are the correct answers. The Mann-Whitney test is unique in that it compares distributions, not just population means.
TE
Teddy
1 year ago
Yes, A and B are the right choices. It focuses on the equality of medians, not means like the t-test.
XE
Xenia
1 year ago
I think A and B are the correct answers too. The Mann-Whitney test is all about comparing distributions, not just means.
TI
Tiffiny
2 years ago
I believe the Mann-Whitney test is more widely applicable than the traditional t-test.
LE
Lelia
2 years ago
I agree with Winifred, it focuses on the equality of the Median of the two populations.
WI
Winifred
2 years ago
I think the Mann-Whitney test is unique to situations A and B.