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SAS A00-240 Exam - Topic 6 Question 18 Discussion

Refer to the confusion matrix:An analyst determines that loan defaults occur at the rate of 3% in the overall population. The above confusion matrix is from an oversampled test set (1 = default).What is the sensitivity adjusted for the population event probability?Enter your answer in the space below. Round to three decimals (example: n.nnn).
A) 0.617

SAS A00-240 Exam - Topic 6 Question 18 Discussion

Actual exam question for SAS's A00-240 exam
Question #: 18
Topic #: 6
[All A00-240 Questions]

Refer to the confusion matrix:

An analyst determines that loan defaults occur at the rate of 3% in the overall population. The above confusion matrix is from an oversampled test set (1 = default).

What is the sensitivity adjusted for the population event probability?

Enter your answer in the space below. Round to three decimals (example: n.nnn).

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Suggested Answer: A

by Rodolfo at May 05, 2022, 07:02 PM

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Luisa
7 months ago
Totally agree, oversampling can skew results!
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Val
7 months ago
Wait, how does oversampling affect sensitivity?
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Germaine
8 months ago
Not sure about that, seems a bit high for a 3% default rate.
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Quentin
8 months ago
I think the answer is around 0.617, right?
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Dorthy
8 months ago
Sensitivity is calculated as true positives / (true positives + false negatives).
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Mary
8 months ago
I feel like I might be mixing up sensitivity and specificity. I need to double-check how to calculate sensitivity with the population rate.
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Raelene
8 months ago
This reminds me of a practice question where we had to adjust metrics based on class imbalance. I hope I can apply that here.
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Lavonne
8 months ago
I remember sensitivity is true positives over the sum of true positives and false negatives, but I'm not sure how to adjust it for the population event probability.
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Veronika
8 months ago
I think we might need to consider the prevalence of defaults in the overall population, which is 3%. That could affect the sensitivity calculation.
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Timmy
8 months ago
Hmm, I'm a bit unsure about this one. I'll have to think it through carefully. Maybe I should review the material on adaptive time thresholds again.
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Dolores
8 months ago
Hmm, this seems like a tricky one. I'll need to think through the different options carefully to identify the three most likely causes.
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Maryann
9 months ago
I'm pretty confident the answer is an app registration. That's how you connect an app to Azure AD to access its resources.
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