Free CompTIA DA0-001 Practice Test & Real Exam Questions, Page 5

Question #61

Which of the following is a non-parametric test?

A. One-sample t-test

B. Correlation coefficient

C. Two-way ANOVA

D. Spearman's rank correlation

Discussion 0

Correct Answer: D Vote an answer

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Question #62

An analyst compiled a high-level report that includes the following data points:
* Total dollars closed for the year
* Annual quota/goal
* Top 10 customers
* Average deal size
* Largest deals lost
Which of the following groups is the most likely audience for this report?

A. External vendors

B. Lower-level managers

C. General public

D. C-suite officers

Discussion 0

Correct Answer: D Vote an answer

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Question #63

Which of the following types of analyses is best to use when tracking sales revenue against quarterly targets?

A. Trend

B. Link

C. Performance

D. Scope

Discussion 0

Correct Answer: C Vote an answer

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Question #64

A data analyst has been asked to create one table that has each employee's first name, last name, sales, and address. The sales and addresses are listed in the tables below:

Which of the following steps should the analyst take to create the table?

A. Transpose the first name and last name in both tables. Use lookup to pull the address field from Table 2 into Table 1.

B. Use the append formula in both tables for the first name and last name. Use lookup to pull the address field from Table 2 into Table 1.

C. Create a column that concatenates the first name and last name in each table. Use concatenate and lookup to bring the address field into Table 1.

D. Use lookup with the first name or first name to pull the address field from Table 2 into Table 1.

Discussion 0

Correct Answer: C Vote an answer

Question #65

What category of data stewardship work is focused on ensuring that the organization respects the wishes of data subjects?

A. Data quality.

B. Data privacy.

C. Regulatory compliance.

D. Data security.

Discussion 0

Correct Answer: B Vote an answer

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Question #66

Given the following data:
CustomerID
ItemBought
Date
Tre_234
Sofa
2022-09-08
216_Tre
Shoes
08/02/2021
215/Tre
Blanket
2021/06/20
045/Tre
Mug
12-26-2021
Tre-345
Lamp
31/08/2022
TREJD19
Bucket
2022'08/01
Which of the following best describes the main issue in the data set?

A. Redundant data

B. Data mismatch

C. Invalid data

D. Inconsistent data

Discussion 0

Correct Answer: D Vote an answer

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Question #67

A table in a hospital database has a column for patient height in inches and a column for patient height in centimeters. This is an example of:

A. invalid data

B. duplicate data.

C. dependent data.

D. redundant data

Discussion 0

Correct Answer: D Vote an answer

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Question #68

An analyst is currently working on a ticket for revamping a company-wide dashboard that has been in use for five years. Which of the following should be the first step in the development process?

A. Build an additional dashboard with fewer views that are tailored toward each specific team.

B. Make changes to a frequently used report that is already in production.

C. Talk to the group that made the request to determine the desired goal.

D. Develop a more streanMined dashboard to roll out by the next delivery date.

Discussion 0

Correct Answer: C Vote an answer

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Question #69

Alex wants to use data from his corporate sale, CRM, and shipping systems to try and predict future sales.
Which of the following systems is the most appropriate?
Choose the best answer.

A. Data mart.

B. Data Warehouse.

C. OLAP.

D. OLTP.

Discussion 0

Correct Answer: B Vote an answer

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Question #70

A manufacturing company's management team wants to receive regular updates on production metrics without having to manually access the dashboard. The company would like to be automatically emailed relevant dashboard sections at specific intervals. Which of the following dashboard methods satisfies the requirements?

A. Subscription

B. Interactive

C. Saved searches

D. Date range

Discussion 0

Correct Answer: A Vote an answer

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Question #71

A data governance analyst who is reviewing a retailer's data set notices that sales data is captured at the regional level but not at the individual store level. Which of the following best describes the issue with this data set?

A. Data consistency

B. Data accuracy

C. Data attribute limitations

D. Data integrity

Discussion 0

Correct Answer: C Vote an answer

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Question #72

An analyst is compiling a series of reports for the new executive board to review. Which of the following elements provides a snapshot of what is contained in the reports for the executives who do not have time to focus on the details?

A. Tables

B. Instruction page

C. Observations and insights

D. Reference data sources

Discussion 0

Correct Answer: C Vote an answer

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Question #73

A data set has the following values:

Which of the following is the best reason for cleansing the data?

A. Redundant data

B. Missing data

C. Data outliers

D. Invalid data

Discussion 0

Correct Answer: B Vote an answer

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Question #74

Standardized tests are given to students in the middle of each month, and the results are ready by the end of the month. The superintendent needs a quick view of test performance. Which of the following would be the best recommendation to meet the superintendent's requirements?

A. A report of test scores by classroom, emailed to the superintendent at the end of the month

B. A dashboard with a scheduled delivery, the ability to filter scores by school, and bar charts for comparison

C. A report of test scores with pie charts showing student performance

D. A dashboard with a continuous data stream and saved searches

Discussion 0

Correct Answer: B Vote an answer

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Question #75

Which of the following analysis techniques is an unsupervised data mining process?

A. Clustering

B. Predictive

C. Descriptive

D. Regression

Discussion 0

Correct Answer: A Vote an answer

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