CompTIA DA0-001 Exam - Topic 7 Question 26 Discussion

Actual exam question for CompTIA's DA0-001 exam

Question #: 26
Topic #: 7

An analyst is preparing a report that contains weather dat

a. The temperatures are shown in Fahrenheit. but they must be reported in Celsius. Which of the following should the analyst do to fix this issue?

ANormalize the data.

BStandardize the data.

CRescale the data.

DAggregate the data.

Show Suggested Answer

Suggested Answer: C

The analyst should rescale the data to fix this issue. Rescaling is a process of transforming data from one scale to another, such as changing the units of measurement. In this case, the analyst needs to rescale the temperatures from Fahrenheit to Celsius, which are two different scales for measuring temperature. To do this, the analyst can use the following formula:

Celsius = (Fahrenheit - 32) * 5/9

This formula converts each temperature value from Fahrenheit to Celsius by subtracting 32 and multiplying by 5/9. For example, if the temperature is 68F, the rescaled value in Celsius is:

Celsius = (68 - 32) * 5/9 Celsius = 20C

Rescaling the data can help the analyst to report the temperatures in a consistent and accurate way, and to avoid any confusion or errors that may arise from using different scales. Rescaling can also make the data more comparable and compatible with other data sources or standards that use the same scale12.

by Weldon at Jan 27, 2024, 10:12 PM

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Janella

3 months ago

Totally agree, rescaling makes the most sense!

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Melvin

3 months ago

Wait, can you really just rescale it? Sounds too easy.

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Long

4 months ago

Definitely need to normalize that data!

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Steffanie

4 months ago

I think rescaling is the right move here.

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Georgeanna

4 months ago

Just convert Fahrenheit to Celsius using the formula!

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Goldie

4 months ago

I vaguely recall that aggregating data is more about summarizing it, not changing units. So that can't be the answer, I think.

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Bettye

4 months ago

I’m a bit confused because standardizing usually refers to making data comparable, right? Is that the same as converting Fahrenheit to Celsius?

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Brandon

4 months ago

I think we did a practice question where we had to convert units, and I feel like rescaling was the term used.

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Chaya

5 months ago

I remember we talked about converting temperatures in class, but I'm not sure if it's called normalizing or rescaling.

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Ailene

5 months ago

I feel pretty good about this one. Converting between temperature scales is a common data transformation, so I think C is the right answer here. The key is applying the right formula to rescale the Fahrenheit values to Celsius.

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Aja

5 months ago

Okay, let me think this through. We have temperature data in Fahrenheit that needs to be reported in Celsius. So we need to apply some kind of conversion formula to change the scale of the measurements. I'm leaning towards C, but I'll double-check the other options just to be sure.

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Kenneth

5 months ago

Hmm, I'm not totally sure about this one. I know we need to convert the temperatures, but I'm not confident that "rescale" is the right term for that. Maybe I should review the formulas for converting between Fahrenheit and Celsius.

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Miesha

5 months ago

This seems pretty straightforward. I think the answer is C - Rescale the data. Converting Fahrenheit to Celsius is just a matter of applying the right formula.

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Tammara

5 months ago

This looks like a classic VPC networking question. I think the key is to understand the difference between a gateway endpoint and an interface endpoint for S3, and how that affects the routing.

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Tonette

5 months ago

Okay, I've got this. Code coverage shows the percentage of the codebase that is being tested. So the right answer is C - code being exercised by tests. Gotta make sure I get this one right!

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Roxanne

5 months ago

Okay, I think I've got a handle on this. The key is to focus on process improvements, not individual blame.

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Jess

5 months ago

Okay, I've got this. The answer is A - tag-rewrite on the ingress and egress PE routers. That should align the Layer 2 encapsulations and get the MPLS L2VPN working again.

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King

5 months ago

I'm a bit confused here. The question mentions "wired network connections," but the options don't seem to directly match that. I'll need to double-check the Meraki network types to make sure I understand which one is correct.

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Virgina

2 years ago

Normalize the data? Are you kidding me? That's like using a sledgehammer to crack a nut. I think we're all overthinking this. Option C - Rescale the data is the simplest and most straightforward solution.

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Elbert

2 years ago

Hold up, you guys are both missing the obvious solution. It's option A - Normalize the data! That's the way to go if you need to convert units and keep the data in the same scale.

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Vashti

2 years ago

Alright, I'll go with A. Normalize the data it is.

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Malcom

2 years ago

I'm not so sure about that. B just seems like the most logical option to me.

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Rosamond

2 years ago

I'm still not convinced. I think D is the way to go.

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Noe

2 years ago

No way, it has to be A. Normalize the data for sure.

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Isaac

2 years ago

I disagree, C seems like the most appropriate choice here.

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Sharita

2 years ago

Actually, I think B would be better in this situation.

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Gladys

2 years ago

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Eveline

2 years ago

Hmm, I'm not so sure about that. Rescaling the data could introduce some rounding errors, you know? I'm thinking option B - Standardize the data might be the safer bet. That way, we can maintain the integrity of the original measurements.

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King

2 years ago

Whoa, this question is tricky! Converting temperatures from Fahrenheit to Celsius is no easy task. I'm leaning towards option C - Rescale the data. That seems like the most straightforward way to handle this conversion.

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