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IASSC ICBB Exam - Topic 10 Question 36 Discussion

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).
C) Less powerful than the traditional ''t-test''
A) Testing the identity of two populations
B) Focuses on equality of the Median of the two populations
D) More widely applicable than the traditional ''t-test''

IASSC ICBB Exam - Topic 10 Question 36 Discussion

Actual exam question for IASSC's ICBB exam
Question #: 36
Topic #: 10
[All ICBB Questions]

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).

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Suggested Answer: C

by Sage at Aug 23, 2022, 10:45 PM

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Justine
7 months ago
Totally agree, it's super useful in non-parametric situations!
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Eve
7 months ago
Wait, is it really more widely applicable than the t-test?
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Rebbecca
8 months ago
Definitely focuses on the equality of medians!
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An
8 months ago
I thought it was less powerful than the t-test?
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Yuonne
8 months ago
It's used for testing the identity of two populations!
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Chanel
8 months ago
I’m a bit confused; I thought it was less powerful than the t-test, but now I’m not so sure.
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Precious
8 months ago
I practiced a similar question, and I feel like the Mann-Whitney test is more widely applicable than the t-test, so D might be right too.
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Felicitas
8 months ago
I think it focuses on the median, so maybe option B is one of the correct answers?
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Joanna
8 months ago
I remember the Mann-Whitney test is used when we can't assume normality, but I'm not sure about the specific options here.
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Sherell
8 months ago
I'm pretty confident the SALARY column must have a value, but the DEPTNO column being able to contain 1 or NULL is less clear to me. I'll need to review that.
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Jeannetta
8 months ago
This seems straightforward enough. I'll just need to make sure I fully understand the relationship between the COSTS and PROMOTIONS tables.
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Ariel
8 months ago
Hmm, I'm a bit unsure about this one. I know we need to use some kind of application to publish the web page, but I'm not sure if a dedicated FTP client or a Web IDE's built-in FTP would be better. I'll have to think this through carefully.
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Aron
8 months ago
Wait, how do I find the median and mode from this graph? I'm not sure I can get all the information I need.
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Amira
1 year ago
Ah, the good old Mann-Whitney test. It's like the Batman of the statistical world - powerful, unique, and just a little bit mysterious.
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Stanford
1 year ago
C: D) More widely applicable than the traditional ''t-test''
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Arthur
1 year ago
B: B) Focuses on equality of the Median of the two populations
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Julio
1 year ago
A: A) Testing the identity of two populations
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Isreal
1 year ago
Wait, the Mann-Whitney test is more powerful than the t-test? I thought it was the other way around. Guess I need to brush up on my statistical knowledge.
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Isadora
1 year ago
D) More widely applicable than the traditional ''t-test''
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Carman
1 year ago
B) Focuses on equality of the Median of the two populations
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Blair
1 year ago
A) Testing the identity of two populations
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Deonna
1 year ago
I'm glad they included the 'Note: There are 2 correct answers' part. Otherwise, I might have been tempted to just pick A or B and call it a day.
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Mitzie
12 months ago
Exactly, those are the two correct answers. It's important to consider both when using the Mann-Whitney test.
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Claribel
12 months ago
So it's both A) Testing the identity of two populations and B) Focuses on equality of the Median of the two populations.
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Janey
12 months ago
Yes, that's one of the correct answers. It also focuses on the equality of the Median of the two populations.
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Sage
12 months ago
I think the Mann-Whitney test is unique to situations testing the identity of two populations.
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Albina
1 year ago
Exactly, those are the two correct answers. It's important to consider both aspects when using the Mann-Whitney test.
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Margot
1 year ago
So, it's both A) Testing the identity of two populations and B) Focuses on equality of the Median of the two populations.
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Chauncey
1 year ago
Yes, that's one of the correct answers. It also focuses on the equality of the median of the two populations.
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Desirae
1 year ago
I think the Mann-Whitney test is unique to situations involving testing the identity of two populations.
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India
1 year ago
C is just plain wrong. The Mann-Whitney test is more powerful than the t-test, not less. Clearly, D is the way to go too.
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Blair
1 year ago
Yes, D is the correct choice. It is more widely applicable than the traditional t-test.
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Emeline
1 year ago
I agree, C is definitely wrong. The Mann-Whitney test is more powerful than the t-test.
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Gretchen
1 year ago
I believe the Mann-Whitney test is powerful because it can handle non-normal data and is robust to outliers.
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Son
1 year ago
The Mann-Whitney test is definitely the way to go when you're testing the identity of two populations. A and B are spot on!
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Cassi
1 year ago
I think A and B are the correct answers for this question.
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Ernie
1 year ago
It's definitely more widely applicable than the traditional t-test.
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Tayna
1 year ago
Yes, it focuses on the equality of the medians of the two populations.
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Clarinda
1 year ago
I agree, the Mann-Whitney test is great for testing the identity of two populations.
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Fausto
1 year ago
I agree with Terrilyn, because it focuses on testing the identity of two populations and is more widely applicable than the traditional t-test.
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Terrilyn
1 year ago
I think the Mann-Whitney test is unique to situations A and D.
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