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DA0-001 Valid Test Test & DA0-001 Exam Quiz

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To be eligible to take the CompTIA DA0-001 Certification Exam, candidates should have some experience in data analysis. They should also have a good understanding of various data analysis techniques, tools, and technologies. Candidates who pass the exam will receive the CompTIA Data+ certification, which is a valuable credential in the field of data analysis.

CompTIA Data+ Certification Exam Sample Questions (Q212-Q217):

NEW QUESTION # 212
What type of report is commonly used to make operational decisions?

A. Research
B. Compliance
C. Tactical
D. Strategic

Answer: C

NEW QUESTION # 213
Refer to the exhibit.
A development company is constructing a new Init 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 Init?

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

Answer: B

Explanation:
The correct answer is D. $702,500.
To find the price of the Rose unit, we need to use the average cost per square foot of the original floor plans. The average cost per square foot is calculated by dividing the price by the square footage of each unit type. Using the data from the table, we can do the following:
Jasmine: $345,000 / 1,000 = $345 per square foot
Orchid: $525,000 / 2,000 = $262.5 per square foot
Azalea: $375,000 / 1,500 = $250 per square foot
Tulip: $450,000 / 1,800 = $250 per square foot
The average cost per square foot of the original floor plans is the mean of these four values, which is ($345 + $262.5 + $250 + $250) / 4 = $276.875 per square foot.
To find the price of the Rose unit, we need to multiply the average cost per square foot by the square footage of the Rose unit. The Rose unit has a square footage of 2,535, according to the table. Therefore, the price of the Rose unit is $276.875 x 2,535 = $702,421.875.
Rounding to the nearest whole number, we get $702,500 as the price of the Rose unit.

NEW QUESTION # 214
Given the below:

Which of the following numbers represents a Type I error?

A. 0
B. 1
C. 2
D. 3

Answer: D

NEW QUESTION # 215
An analyst needs to provide a chart to identify the composition between the categories of the survey response data set:

Which of the following charts would be BEST to use?

A. Pie
B. Line
C. Histogram
D. Waterfall
E. Scatter pot

Answer: A

NEW QUESTION # 216
Which of the following analysis techniques is an unsupervised data mining process?

A. Descriptive
B. Regression
C. Predictive
D. Clustering

Answer: D

Explanation:
Unsupervised data mining techniques are used to identify hidden patterns or intrinsic structures in data without prior labels or classifications. Among the options provided,clusteringis a primary unsupervised learning method.
Option A:Clustering
* Rationale:Clustering involves grouping a set of objects in such a way that objects in the same group (or cluster) are more similar to each other than to those in other groups. This technique is unsupervised because it doesn't rely on predefined labels and is used to discover natural groupings within data.
Reference:The CompTIA Data+ Certification Exam Objectives list clustering as a key unsupervised data mining technique.
partners.comptia.org
Option B:Descriptive
Rationale:Descriptive analysis summarizes or describes the main features of a dataset, often through statistical measures or visualizations. While it provides insights into the data, it is not a data mining process but rather a preliminary step in data analysis.
Option C:Regression
Rationale:Regression analysis is a supervised learning technique used to model and analyze the relationships between variables. It requires labeled data to predict outcomes and is not considered an unsupervised process.
Option D:Predictive
Rationale:Predictive analysis involves using historical data to make predictions aboutfuture events. It often employs supervised learning techniques and relies on labeled datasets to train models.

NEW QUESTION # 217
......

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