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CompTIA DA0-001, also known as the CompTIA Data+ Certification Exam, is a widely recognized certification exam designed for individuals seeking expertise in data management and analytics. CompTIA Data+ Certification Exam certification serves as a testament to the individual's knowledge and skills in the field of data management, and validates their ability to work with data effectively. The DA0-001 Exam covers a range of topics, including data analysis, management, storage, and security.

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CompTIA Data+ Certification Exam Sample Questions (Q81-Q86):

NEW QUESTION # 81
Which of the following best describes an exploratory analysis?

A. Involves the testing of specific hypotheses
B. Involves analysis of exploring data sets for performance tracking
C. Involves the use of arithmetic algebra to determine the distribution
D. Involves the use of descriptive statistics to understand observations

Answer: D

Explanation:
A) Involves the use of descriptive statistics to understand observations.
Exploratory data analysis (EDA) is a method of analyzing and investigating data sets to summarize their main characteristics, often using statistical graphics and other data visualization methods. EDA involves the use of descriptive statistics, such as mean, median, mode, standard deviation, frequency, or percentage, to understand the distribution, central tendency, variability, and relationship of the data. EDA helps to see what the data can reveal beyond the formal modeling or hypothesis testing, and provides a better understanding of data set variables and the interactions between them1.

NEW QUESTION # 82
A development company is constructing a new unit in its apartment complex. The complex has the following floor plans:

Using the average cost per square foot of the original floor plans, which of the following should be the price of the Rose unit?

A. $702,500
B. $690,000
C. $705,200
D. $640,900

Answer: C

Explanation:
This is because the price of the Rose unit can be estimated using the average cost per square foot of the original floor plans, which are Jasmine, Orchid, Azalea, and Tulip. To find the average cost per square foot of the original floor plans, we can use the following formula:

Plugging in the values from the original floor plans, we get:

To find the price of the Rose unit, we can use the following formula:

Plugging in the values from the Rose unit, we get:

Therefore, the price of the Rose unit should be $705,200, using the average cost per square foot of the original floor plans.

NEW QUESTION # 83
A JSON file is an example of:

A. structured data.
B. web data.
C. machine data.
D. processed data.

Answer: A

NEW QUESTION # 84
A data analyst is asked on the morning of April 9, 2020, to create a sales report that identifies sales year to date. The daily sales data is current through the end of the day. Which of the following date ranges should be on the report?

A. January 1, 2020 to April 8, 2020
B. January 1, 2020 to April 9, 2020
C. January 1, 2020 to April 7, 2020
D. January 1, 2020 to April 1, 2020

Answer: A

NEW QUESTION # 85
Given the following data table:

Which of the following are appropriate reasons to undertake data cleansing? (Select two).

A. Invalid data
B. Non-parametric data
C. Redundant data
D. Duplicate data
E. Missing data
F. Normalized data

Answer: A,C

NEW QUESTION # 86
......

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CompTIA DA0-001 Exam Questions Available At 25% Discount With Free Demo

2025 DA0-001 – 100% Free Exam Topic | Latest CompTIA Data+ Certification Exam Valid Dumps Demo

CompTIA Data+ Certification Exam Sample Questions (Q81-Q86):

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