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CIMAPRA17-BA1-1 Exam - Topic 2 Question 111 Discussion

Actual exam question for CIMA's CIMAPRA17-BA1-1 exam
Question #: 111
Topic #: 2
[All CIMAPRA17-BA1-1 Questions]

A research business compiles the following data for Country D over 8 years:

* Household expenditure, y (in millions of constant 20X6 dollars);

* The number of fixed broadband internet subscribers, x (in thousands).

Based on this information the following regression model is developed:

y = 332668 * 45.8x - 0 003x2

Which of the following statements is correct?

Show Suggested Answer Hide Answer
Suggested Answer: D

Contribute your Thoughts:

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Carma
4 months ago
D is a stretch, can it really apply to all regions?
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Gerald
4 months ago
B sounds plausible, but is it really that precise?
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Pansy
4 months ago
C definitely highlights the non-linear aspect, good catch!
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Elliott
4 months ago
I disagree, A is too pessimistic about historical data.
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Luisa
5 months ago
The model shows a non-linear relationship, so C seems right.
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Trina
5 months ago
I recall that just because a model works for one country doesn't mean it applies everywhere, so option D seems overly optimistic.
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Ardella
5 months ago
The quadratic term in the model suggests a non-linear relationship, so I feel like option C could be correct.
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Mary
5 months ago
I think I practiced a question similar to this where we analyzed the coefficients. I'm not sure about the 0.3 percent increase mentioned in option B though.
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Carri
6 months ago
I remember discussing how historical data can sometimes limit the accuracy of forecasts, so option A might be a valid point.
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Bambi
6 months ago
I'm feeling pretty confident about this one. The model seems clear, and I think I can use the information provided to determine the correct statement.
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Willow
6 months ago
Okay, the key here is to focus on what the model is actually telling us. The historical data may have limitations, but the model itself could still be useful for making forecasts.
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Josefa
6 months ago
Hmm, I'm a bit confused by the non-linear relationship in the model. I'll need to make sure I understand how to interpret that before answering.
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Shenika
6 months ago
This looks like a pretty straightforward regression question. I'll need to carefully analyze the model equation and think about the implications of the coefficients.
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Lemuel
10 months ago
That's true, but the model itself shows a non-linear relationship, so I think C is the best answer.
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Earleen
10 months ago
But isn't statement B also correct? A 1 percent increase in subscribers leads to a 0.3 percent increase in expenditure.
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Dwight
10 months ago
Haha, Option A is a classic. Of course the model is based on historical data - what else would it be based on, the future??
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Mabelle
10 months ago
Yeah, it's common sense that a model is based on historical data.
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Leonardo
10 months ago
I agree, Option A is pretty obvious.
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Iola
10 months ago
I agree with Lemuel, the model suggests a non-linear relationship.
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Lemuel
11 months ago
I think the correct statement is C.
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Hildegarde
11 months ago
Option D is definitely not correct. Applying a model developed for one country to 'most countries and regions' is a recipe for disaster. Someone needs to brush up on their econometrics!
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Maurine
10 months ago
C: The model seems to suggest a non-linear relationship between household expenditure and the number of broadband subscribers.
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Elliott
10 months ago
B: I agree, it's important to consider the specific characteristics of each country before applying a model.
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Alecia
10 months ago
A: Option D is definitely not correct. Applying a model developed for one country to 'most countries and regions' is a recipe for disaster.
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Florinda
11 months ago
I'm not so sure about option B. A 1% increase in broadband subscribers leading to a 0.3% increase in household expenditure seems a bit too precise. I'd be cautious about relying on that specific percentage change.
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Keneth
10 months ago
I think it's important to consider other factors that could influence household expenditure as well.
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Denny
10 months ago
Yeah, it's always good to be cautious with these types of predictions.
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Daniel
10 months ago
I agree, it does seem like a very precise estimate.
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Kimberely
11 months ago
I agree with Yoko. The quadratic term in the regression equation suggests a non-linear relationship. This is an important consideration when using the model for forecasting.
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Lashon
10 months ago
A: Definitely. It shows that the relationship between household expenditure and broadband subscribers is not linear.
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Reuben
10 months ago
B: I agree. It's important to consider this when using the model for forecasting.
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Gladis
11 months ago
A: I think option C is correct. The quadratic term in the regression equation suggests a non-linear relationship.
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Yoko
11 months ago
Option C seems to be the correct choice. The model indicates a non-linear relationship between household expenditure and broadband subscribers, which makes sense intuitively.
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Bette
10 months ago
Definitely. It shows that the relationship is more complex than just a simple linear one.
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Ashleigh
10 months ago
Yes, it does. It's interesting to see how broadband subscribers can impact household expenditure in a non-linear way.
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Benedict
11 months ago
I agree, option C does make sense. A non-linear relationship between the two variables seems plausible.
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