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ASQ CQE Exam - Topic 7 Question 105 Discussion

Which of the following is a valid null hypothesis?
D) mu = 110
A) p > 1/8
B) < 98
C) The mean of population A is not equal to the mean of population B

ASQ CQE Exam - Topic 7 Question 105 Discussion

Actual exam question for ASQ's CQE exam
Question #: 105
Topic #: 7
[All CQE Questions]

Which of the following is a valid null hypothesis?

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Suggested Answer: D

by Louvenia at Jan 13, 2025, 05:31 AM

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Sanda
7 months ago
Yup, D is definitely the right choice here!
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Dan
8 months ago
A and B don't fit the null hypothesis definition.
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Dell
8 months ago
Wait, mu = 110? That seems kinda random...
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Bernardine
8 months ago
Totally agree, D is the way to go!
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Muriel
8 months ago
Null hypothesis should state equality, so D is valid.
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Kris
9 months ago
I feel confused because I thought null hypotheses could also be about inequalities, but now I’m not so sure.
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Margot
9 months ago
I practiced a question similar to this, and I recall that null hypotheses often involve a specific value, which makes me lean towards D as well.
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Caitlin
9 months ago
I'm not entirely sure, but I remember something about null hypotheses usually being about equality, so C seems off to me.
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Ernestine
9 months ago
I think a null hypothesis should state something like "mu = value," so maybe D is the right choice?
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Louisa
9 months ago
Hmm, the null hypothesis needs to be a testable statement about a population parameter. I think option D, "mu = 110," could work, but I'll review the others just to make sure.
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Lashawna
9 months ago
I'm a bit confused on this one. The null hypothesis is supposed to be a specific numerical value, right? I'm not sure any of these options fully fit that criteria.
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Shay
9 months ago
I've got this! The null hypothesis is a statement of no difference or no effect. Option C clearly fits that description, so that's my pick.
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Leanna
9 months ago
Okay, let me see here. The null hypothesis is usually stated in terms of a parameter, like the mean or proportion. I think option C looks promising, but I'll double-check the others just to be sure.
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Katie
9 months ago
Hmm, this is a tricky one. I'll need to think carefully about the definition of a null hypothesis to determine which of these options is valid.
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Laine
1 year ago
This exam question is making me hungry. I wonder if the null hypothesis involves the mean number of cookies in a jar?
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Telma
1 year ago
D) mu = 110
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Bettina
1 year ago
C) The mean of population A is not equal to the mean of population B
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Jacqueline
1 year ago
B) < 98
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Matt
1 year ago
A) p > 1/8
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Nathalie
1 year ago
B) < 98. What kind of null hypothesis is this? It doesn't make much sense to me.
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Cherry
1 year ago
D) mu = 110
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Caprice
1 year ago
B) < 98. That does seem like an odd null hypothesis.
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Georgiana
1 year ago
C) The mean of population A is not equal to the mean of population B
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Lou
1 year ago
A) p > 1/8
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Launa
1 year ago
A) p > 1/8. Hmm, I'm not sure if an inequality is considered a valid null hypothesis.
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German
1 year ago
D) mu = 110. This is clearly stating a specific parameter value, which is a valid null hypothesis.
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Emeline
1 year ago
D) mu = 110
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Angella
1 year ago
D) mu = 110
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Joni
1 year ago
C) The mean of population A is not equal to the mean of population B
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Myra
1 year ago
C) The mean of population A is not equal to the mean of population B
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Dona
1 year ago
B) < 98
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Jodi
1 year ago
B) < 98
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Nathalie
1 year ago
A) p > 1/8
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Judy
1 year ago
A) p > 1/8
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Layla
2 years ago
I'm not sure about the other options, but D) mu = 110 seems like a reasonable null hypothesis to me.
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Edda
2 years ago
C) The mean of population A is not equal to the mean of population B. This seems like a valid null hypothesis to me.
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Malika
1 year ago
C) The mean of population A is not equal to the mean of population B
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Lorenza
1 year ago
B) < 98
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Huey
1 year ago
A) p > 1/8
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Lindsey
2 years ago
I agree with Callie. Option D) mu = 110 makes sense as a null hypothesis.
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Callie
2 years ago
I think option D) mu = 110 is a valid null hypothesis.
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