DATA OA
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This Exam contains: WGU D467 EXPLORING DATA
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,Question 1
What are cookies?
Types of malware that can damage computers
Small files stored on computers that contain information about users
Programs that enable users to access websites
Pieces of code that store information about a website
Correct Answer
Small files stored on computers that contain information about users
Question 2
Fill in the blank: For data analytics projects, _____ data is typically preferred because users know it originated
within the organization.
second-party
third-party
multi-party
first-party
Correct Answer
first-party
Question 3
A grocery store chain purchases customer data from a credit card company. The grocer uses this data to identify its
most loyal customers and offer them special promotions and discounts. What type of data is being used in this
scenario?
First-party
Multi-party
Third-party
Second-party
Correct Answer
Second-party
Question 4
In data analytics, what term refers to all possible data values in a dataset?
Source
Representation
Population
Sample
Correct Answer
Population
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,Question 5
An entertainment website displays a star rating for a movie based on user reviews. Users can select from one to five
whole stars to rate the movie. The star rating is an example of what type of data? Select all that apply.
Continuous
Discrete
Ordinal
Nominal
Correct Answer
Discrete
Ordinal
Question 6
What type of data is the height of a skyscraper?
Discrete
Qualitative
Nominal
Continuous
Correct Answer
Continuous
Question 7
In data analytics, what is the term for data that is generated from, and lives, outside of an organization?
Peripheral
Outer
Internal
External
Correct Answer
External
Question 8
What are the key characteristics of unstructured data? Select all that apply.
Fits neatly into rows and columns
Unorganized
May have an internal structure
Clearly identifiable construction
Correct Answer
Unorganized
May have an internal structure
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, Question 9
Fill in the blank: A data model is used to organize _____ and how they relate to one another.
data visualizations
database structures
data elements
spreadsheet fields
Correct Answer
data elements
Question 10
When discussing structured databases, data analysts refer to the data contained in a row as a record. How do they
refer to the data contained in a column?
Field
Subject
Character
Point
Correct Answer
Field
Question 11
Fill in the blank: A data type is a specific kind of data _____ that tells what kind of value the data is.
attribute
frame
model
point
Correct Answer
attribute
Question 12
What are the key characteristics of a text, or string, data type? Select all that apply.
Contains textual information
Only two possible values
Sequence of characters and punctuation
Has numerical percentages
Correct Answer
Contains textual information
Sequence of characters and punctuation
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