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IASSC ICBB Exam - Topic 2 Question 78 Discussion

Which statement is NOT correct about the Fitted Line Plot shown here?
A) The independent variable is the reactant
B) If the reactant was 6 units, with 95 % confidence we would expect a minimum yield of 100 units
C) With at least 95% confidence, we can expect less than 10 units of Yield when the reactant is at a value of 1
D) A reactant value between 2 and 4 units yields around 20 to 40
E) When the reactant increases, the expected yield would increase

IASSC ICBB Exam - Topic 2 Question 78 Discussion

Actual exam question for IASSC's ICBB exam
Question #: 78
Topic #: 2
[All ICBB Questions]

Which statement is NOT correct about the Fitted Line Plot shown here?

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Suggested Answer: A

by Louann at Sep 15, 2024, 09:12 PM

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Devorah
9 months ago
Totally agree, D makes sense with the range they gave!
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Kandis
9 months ago
I think B is misleading, not sure about that minimum yield.
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Solange
9 months ago
The independent variable is definitely the reactant.
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Shawnta
9 months ago
Wait, are we really expecting that yield at 1? Sounds off.
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Regenia
9 months ago
C seems right to me, less than 10 units sounds accurate.
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Sharita
10 months ago
D seems reasonable based on similar practice questions, but I wonder if the range is too broad.
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Gene
10 months ago
C sounds a bit off; I feel like we might expect more than 10 units of yield when the reactant is at 1.
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Nu
10 months ago
I'm not sure about B; I remember something about confidence intervals, but I can't recall the exact numbers.
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Shizue
10 months ago
I think the independent variable should be the reactant, so A seems correct to me.
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Wade
10 months ago
This is a good opportunity to apply my knowledge of linear regression and fitted line plots. I feel confident I can identify the incorrect statement.
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Ezekiel
11 months ago
Alright, I've got a strategy. I'll go through each answer choice and think about whether it accurately describes the relationship between the reactant and yield based on the fitted line plot.
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Jacqueline
11 months ago
I'm a bit confused by the 95% confidence interval mentioned in some of the answer choices. I'll need to make sure I understand how to interpret that correctly.
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Nadine
11 months ago
Okay, let's see. The independent variable is the reactant, and the dependent variable is the yield. I think I can use the information in the plot to evaluate each answer choice.
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Alva
11 months ago
Hmm, this looks like a tricky one. I'll need to carefully analyze the fitted line plot and the answer choices to determine which statement is not correct.
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Francine
1 year ago
Ah, the age-old debate: reactant vs. independent variable. I'm going to have to side with option A on this one. It's basic science, folks.
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Shala
1 year ago
Definitely, the reactant is the independent variable in the fitted line plot.
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Leonardo
1 year ago
I agree, the reactant is the independent variable in this case.
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Beckie
1 year ago
I think option A is correct. The independent variable is the reactant.
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Magnolia
1 year ago
Wait, did they just say 'reactant' instead of 'independent variable'? Clearly, the correct answer is A. These test writers need to go back to chemistry class.
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Joanna
1 year ago
This question is a real head-scratcher. I'm going to go with option E - it just makes sense that when the reactant increases, the expected yield would increase.
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Ria
1 year ago
I agree with both of you. Option E seems the most reasonable, but option A does seem a bit off.
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Elliot
1 year ago
I'm not so sure about option A. I don't think the independent variable is the reactant in this case.
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Louvenia
1 year ago
I think option E is correct too. It's logical that as the reactant increases, the yield would also increase.
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King
1 year ago
I think option D is the correct answer. The plot shows that a reactant value between 6 and 8 units yields around 40 to 60.
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Lilli
1 year ago
The correct answer is A. The independent variable should be on the x-axis, not the reactant.
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Junita
1 year ago
Oh, I see. The correct answer is A then. The independent variable should be on the x-axis.
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Lynelle
1 year ago
I'm pretty sure it's D. It discusses the range of reactant values and corresponding yields.
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Kimbery
1 year ago
No, I believe it's C. It talks about the confidence level and yield.
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Chau
1 year ago
I think the correct answer is B. It mentions the reactant and yield relationship.
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Alesia
1 year ago
But the fitted line plot clearly shows that the yield decreases as the reactant value increases, so answer E is definitely incorrect
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Tiera
1 year ago
I disagree, I believe the correct answer is C
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Alesia
1 year ago
I think the correct answer is D
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