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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
Suggested Answer: B
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16 comments · newest first
DE
Desiree
11 months ago
Nope, definitely not A. B is correct!
AN
Annabelle
11 months ago
I thought it was 2(r)(c) at first!
SE
Selene
11 months ago
Wait, are we sure about that? Seems too simple.
LE
Leota
11 months ago
Totally agree, B is the right choice!
BA
Barney
11 months ago
The degree of freedom for interaction is (r-1)(c-1).
MA
Malinda
12 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.
DE
Devorah
12 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.
AL
Aliza
12 months ago
I remember practicing a similar question, and I think the answer was (r-1)(c-1) for interaction degrees of freedom.
JE
Jenelle
1 year 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.
TA
Tawna
1 year 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).
GE
Georgeanna
1 year 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.
SH
Shala
1 year 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).
EM
Emily
1 year 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).
DA
Dallas
1 year ago
Workflow rules could work, but I think validation rules are the more direct and robust solution for this type of data quality issue.
AI
Aimee
1 year 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.
VI
Vincent
1 year 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.