D467 WGU
WGU- D467 Exam Study Questions with
Correct Detailed Solutions Updated 2025
Guaranteed Pass!
What is the most effective method of collecting data?
Cookies
What is first-party data?
Data that your company has collected directly from your audience
What is second party data?
Data collected by a group directly from its audience and then sold
What is third party data?
Data collected from outside sources who did not collect it directly
What should you do with all data when collecting it ?
Check it for accuracy, bias, and credibility
What are all possible data values in a certain data set called?
Population
What is a sample?
A selection of observations taken from a subset of the population which is used to
find out information about the population as a whole
What is primary data?
Data collected by a researcher from first-hand sources
What is secondary data?
Gathered by other people or from other research
What is internal data?
Data that is stored inside a company's own systems
D467 WGU
,D467 WGU
What is external data?
Data that is stored outside of a company or organization
Continuous data is?
measured and can have almost any numerical value
Discrete data is?
data that is counted and has a limited number of values
Height of kids in third grade classes
Runtime markers in a video
Temperature
These are an example of what kind of data?
Continuous
Number of people who visit the hospital on a daily basis
maximum capacity allowed in a room
Tickets sold in the current month
These are an example of what kind of data?
Discrete
Wages of employees across different business units tracked by HR
Sales data by store location
Product inventory levels across distribution centers
These are examples of what kind of data?
Internal data
What data type is often quantitative, defined, easy to organize, search, and analyze,
contained in rows and columns, and stored in relational databases and data
warehouses?
Structured Data
What is qualitative data?
D467 WGU
,D467 WGU
Subjective and descriptive data
What is quantitative data?
Numerical data
A type of qualitative data that is categorized without a set order is what kind of
data?
Nominal
A type of qualitative data with a set order or scale is what kind of data?
Ordinal
First time customer, returning customer, and regular customer
New job applicant, existing applicant, internal applicant
New listing, reduced price listing, foreclosure
These are examples of what type of data?
Nominal (NO set order)
Movie ratings by number of stars
Ranked-choice voting selections
Satisfaction level measured in a survey
These are examples of what type of data?
Ordinal (set ORDer)
Data that is set in a certain format, like rows and columns are what type of data?
Structured Data
EX: expense reports, tax returns, and store inventory
Data that cannot be stored as columns and rows in a relational database is what
type of data?
Unstructured Data
EX: Social media posts, emails, and videos
D467 WGU
, D467 WGU
Relational database is
A group of database tables that is connected or linked by a defined relationship that
ties the information together.
What type of data cannot be organized in any easily identifiable manner like rows
or columns, includes varied data types, often qualitative, is difficult to search,
provides more freedom for analysis, and is stored in data lakes, data warehouses,
and NoSQL databases?
Unstructured Data
If you are analyzing trends over time, what type of data should you use?
Time series data, data that includes dates
What is a data model?
A model that is used for organizing data elements and how they relate to each other
What are data elements?
Pieces of information like people's names, account numbers, and addresses
What is data modeling?
Creating diagrams that visually represent how data is organized and structured.
Keeps data consistent.
What data model gives a high-level view of the data structure, such as how data
interacts across an organization? EX: May be used to define the business
requirements for a new database. Doesn't include technical details.
Conceptual data modeling
What data model focuses on the technical details of a database such as
relationships, attributes, and entities? EX: it defines how individual records are
uniquely identified in a database.
Logical data modeling
What data model depicts how a database operates? It defines all entities and
attributes used; for EX: it includes table names, column names, and data types for
the database.
D467 WGU
WGU- D467 Exam Study Questions with
Correct Detailed Solutions Updated 2025
Guaranteed Pass!
What is the most effective method of collecting data?
Cookies
What is first-party data?
Data that your company has collected directly from your audience
What is second party data?
Data collected by a group directly from its audience and then sold
What is third party data?
Data collected from outside sources who did not collect it directly
What should you do with all data when collecting it ?
Check it for accuracy, bias, and credibility
What are all possible data values in a certain data set called?
Population
What is a sample?
A selection of observations taken from a subset of the population which is used to
find out information about the population as a whole
What is primary data?
Data collected by a researcher from first-hand sources
What is secondary data?
Gathered by other people or from other research
What is internal data?
Data that is stored inside a company's own systems
D467 WGU
,D467 WGU
What is external data?
Data that is stored outside of a company or organization
Continuous data is?
measured and can have almost any numerical value
Discrete data is?
data that is counted and has a limited number of values
Height of kids in third grade classes
Runtime markers in a video
Temperature
These are an example of what kind of data?
Continuous
Number of people who visit the hospital on a daily basis
maximum capacity allowed in a room
Tickets sold in the current month
These are an example of what kind of data?
Discrete
Wages of employees across different business units tracked by HR
Sales data by store location
Product inventory levels across distribution centers
These are examples of what kind of data?
Internal data
What data type is often quantitative, defined, easy to organize, search, and analyze,
contained in rows and columns, and stored in relational databases and data
warehouses?
Structured Data
What is qualitative data?
D467 WGU
,D467 WGU
Subjective and descriptive data
What is quantitative data?
Numerical data
A type of qualitative data that is categorized without a set order is what kind of
data?
Nominal
A type of qualitative data with a set order or scale is what kind of data?
Ordinal
First time customer, returning customer, and regular customer
New job applicant, existing applicant, internal applicant
New listing, reduced price listing, foreclosure
These are examples of what type of data?
Nominal (NO set order)
Movie ratings by number of stars
Ranked-choice voting selections
Satisfaction level measured in a survey
These are examples of what type of data?
Ordinal (set ORDer)
Data that is set in a certain format, like rows and columns are what type of data?
Structured Data
EX: expense reports, tax returns, and store inventory
Data that cannot be stored as columns and rows in a relational database is what
type of data?
Unstructured Data
EX: Social media posts, emails, and videos
D467 WGU
, D467 WGU
Relational database is
A group of database tables that is connected or linked by a defined relationship that
ties the information together.
What type of data cannot be organized in any easily identifiable manner like rows
or columns, includes varied data types, often qualitative, is difficult to search,
provides more freedom for analysis, and is stored in data lakes, data warehouses,
and NoSQL databases?
Unstructured Data
If you are analyzing trends over time, what type of data should you use?
Time series data, data that includes dates
What is a data model?
A model that is used for organizing data elements and how they relate to each other
What are data elements?
Pieces of information like people's names, account numbers, and addresses
What is data modeling?
Creating diagrams that visually represent how data is organized and structured.
Keeps data consistent.
What data model gives a high-level view of the data structure, such as how data
interacts across an organization? EX: May be used to define the business
requirements for a new database. Doesn't include technical details.
Conceptual data modeling
What data model focuses on the technical details of a database such as
relationships, attributes, and entities? EX: it defines how individual records are
uniquely identified in a database.
Logical data modeling
What data model depicts how a database operates? It defines all entities and
attributes used; for EX: it includes table names, column names, and data types for
the database.
D467 WGU
