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ASQ CQE Exam - Topic 9 Question 78 Discussion

Actual exam question for ASQ's CQE exam
Question #: 78
Topic #: 9
[All CQE Questions]

A two-way analysis of variance has r levels for one variable and c levels for the second variable with 2 observations per cell. The degree of freedom for interaction is

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Suggested Answer: B

by Yvonne at Dec 13, 2023, 02:58 PM

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Desiree
3 months ago
Nope, definitely not A. B is correct!
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Annabelle
3 months ago
I thought it was 2(r)(c) at first!
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Selene
3 months ago
Wait, are we sure about that? Seems too simple.
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Leota
4 months ago
Totally agree, B is the right choice!
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Barney
4 months ago
The degree of freedom for interaction is (r-1)(c-1).
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Malinda
4 months ago
I’m pretty confident that the interaction degrees of freedom is (r-1)(c-1). It just makes sense based on the levels we discussed.
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Devorah
4 months ago
I feel like I might be mixing up the formulas. Was it 2(r)(c) or (r-1)(c-1)? I need to double-check that.
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Aliza
4 months ago
I remember practicing a similar question, and I think the answer was (r-1)(c-1) for interaction degrees of freedom.
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Jenelle
5 months ago
I think the degrees of freedom for interaction is related to the number of levels, but I'm not sure if it's (r-1)(c-1) or something else.
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Tawna
5 months ago
I think the key here is that we have 2 observations per cell. That means the total number of observations is 2rc, and the total degrees of freedom is 2rc-1. The degrees of freedom for interaction should be the number of independent comparisons we can make between the levels of the two variables, which is (r-1)(c-1).
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Georgeanna
5 months ago
Okay, I'm a bit unsure about this. Is the degree of freedom for interaction 2(r)(c)? That seems like it might be the right formula, but I'm not 100% sure.
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Shala
5 months ago
Hmm, let me think this through. The degree of freedom for interaction is the number of independent comparisons we can make between the levels of the two variables. Since there are r levels for one variable and c levels for the other, with 2 observations per cell, the degree of freedom should be (r-1)(c-1).
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Emily
5 months ago
I'm pretty confident about this one. The degree of freedom for interaction in a two-way ANOVA with r levels for one variable and c levels for the other, and 2 observations per cell, is (r-1)(c-1).
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Dallas
5 months ago
Workflow rules could work, but I think validation rules are the more direct and robust solution for this type of data quality issue.
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Aimee
5 months ago
Ah, I've got it! The answer is BATNA - the best alternative to a negotiated agreement. That's the course of action if the current negotiations fail. Feeling confident about this one.
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Vincent
5 months ago
This is a tricky one. I'm torn between A and C. On one hand, addressing the skill gap quickly seems important. But getting the team's input first could also be valuable. I'll need to think this through carefully.
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