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DA0-001 Exam Dumps - CompTIA Data+ Certification Exam

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Question # 4

Which of the following techniques is used to quantify data?

A.

Decoding

B.

Enumeration

C.

Coding

D.

Structure

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Question # 5

Which of the following types of analysis would be best for an analyst to use to examine the relationships between authors who cited other authors in a library of research papers?

A.

Linguistic analysis

B.

Trend analysis

C.

Link analysis

D.

Performance analysis

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Question # 6

Which of the following is a characteristic of a relational database?

A.

It utilizes key-value pairs.

B.

It has undefined fields.

C.

It is structured in nature.

D.

It uses minimal memory.

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Question # 7

Given the following graph:

Which of the following summary statements upholds integrity in data reporting?

A.

Sales are approximately equal for Product A and Product B across all strategies.

B.

Strategy 4 provides the best sales in comparison to other strategies.

C.

While Strategy 2 does not result in the highest sales of Product D, over all products it appears to be the most effective.

D.

Product D should be promoted more than the other products in all strategies.

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Question # 8

A customer survey reveals 90% positive feedback. Which of the following statistical methods would be best to utilize to determine the reliability of a data set and predict how a larger sample of customers over the same time period might respond?

A.

Calculate a high variance on survey responses.

B.

Calculate the maximum range of the survey responses.

C.

Calculate a low standard deviation on survey responses.

D.

Remove any data more than 4 standard deviation from the mean.

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