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SAS A00-240 Exam - Topic 10 Question 88 Discussion

Actual exam question for SAS's A00-240 exam

Question #: 88
Topic #: 10

[All A00-240 Questions]

Refer to the confusion matrix:

Calculate the accuracy and error rate (0 - negative outcome, 1 - positive outcome)

AAccuracy = 58/102, Error Rate = 23/48

BAccuracy = 83/102, Error Rate = 67/102

CAccuracy = 25/150, Error Rate = 44/150

DAccuracy = 83/150, Error Rate = 67/150

Show Suggested Answer

Suggested Answer: A

by Dorothea at May 21, 2024, 05:58 PM

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Donette

9 months ago

I agree with A, those numbers make sense!

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Nichelle

10 months ago

Wait, is it really 83/150 for D? That seems odd.

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Rolland

10 months ago

C doesn't add up, how can accuracy be so low?

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Pearline

10 months ago

I think B is off, that error rate seems too high.

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Jaleesa

10 months ago

Accuracy = 58/102 looks right to me.

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Tiffiny

11 months ago

I feel like option A looks familiar, but I’m not completely confident about the calculations. I hope I remember the formulas correctly!

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Shanice

11 months ago

This question seems similar to one we practiced where we had to find accuracy and error rate, but I’m confused about which values to use from the matrix.

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Tabetha

11 months ago

I think the error rate is just the opposite of accuracy, but I can't recall how to derive it from the confusion matrix.

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Glendora

11 months ago

I remember we calculated accuracy as the sum of true positives and true negatives over the total samples, but I'm not sure about the exact numbers here.

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Julio

11 months ago

Okay, let me think this through step-by-step. I need to find the true positives, true negatives, false positives, and false negatives from the confusion matrix, then plug those values into the formulas. I've got this!

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Alexis

11 months ago

Wait, I'm confused. Is the positive outcome 0 or 1? The question wording is a bit ambiguous. I better double-check my understanding before diving into the calculations.

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Phuong

11 months ago

I've got this! The accuracy is just the sum of the true positives and true negatives divided by the total, and the error rate is the sum of the false positives and false negatives divided by the total. Easy peasy!

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Nu

11 months ago

Hmm, I'm a bit unsure about how to interpret the confusion matrix and which values to use for the calculations. I'll need to review my notes on this topic to make sure I'm doing it correctly.

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Christiane

11 months ago

Okay, this looks like a straightforward calculation based on the confusion matrix. I'll need to carefully extract the relevant values and plug them into the accuracy and error rate formulas.

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Mila

11 months ago

I think this is a pretty straightforward question. The key is to focus on the keywords "performance modeling tool" and "IBM Spectrum Virtualize family". Based on that, I'm going to go with option B, IBM Storage Modeller (StorM).

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Jess

11 months ago

Based on the information provided, I believe IBM Spectrum Scale Transparent Cloud Tiering would be the best solution. It seems to be designed to seamlessly integrate on-premises storage with public cloud services, which is exactly what the customer is struggling with.

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Kanisha

12 months ago

All of the above seems like the safest bet, but I want to make sure I have a solid grasp of the individual points before selecting that. Time to focus!

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Laquita

2 years ago

Okay, let's break this down step-by-step. The accuracy is the number of correct predictions divided by the total number of predictions. And the error rate is the number of incorrect predictions divided by the total number of predictions. I think the answer is B, but I'll have to double-check my work.

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Iesha

2 years ago

Yes, that's correct. And the error rate is 67 out of 102.

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Glenna

2 years ago

I think the accuracy is 83 out of 102.

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Corinne

2 years ago

Yes, that's correct. And the error rate is 67 out of 102.

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Karma

2 years ago

Yes, B seems to be the most accurate option after going through the steps.

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Martina

2 years ago

I agree, B looks like the correct choice based on the calculations we did.

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Sarina

2 years ago

I think the accuracy is 83 out of 102.

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Dianne

2 years ago

I think the answer is B as well. It seems like the most accurate calculation.

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Leanna

2 years ago

Haha, this question is a real brain-teaser! I'm going to have to put on my thinking cap for this one. Let's see, is it C? No, wait, maybe it's D... *scratches head*

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Bernardine

2 years ago

No, I believe it's A

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Estrella

2 years ago

I think it's B

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Vanna

2 years ago

Hmm, I'm not sure about this one. The confusion matrix looks a bit confusing to me. I'll have to double-check my work on this one.

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Bettyann

2 years ago

I think the answer is B. The accuracy is 83/102 and the error rate is 67/102. This makes the most sense given the information provided in the confusion matrix.

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Leana

2 years ago

Refer to the confusion matrix:

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Nieves

2 years ago

Refer to the confusion matrix:

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Freeman

2 years ago

The accuracy is 83/102 and the error rate is 67/102.

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Gertude

2 years ago

I think the answer is B.

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