WGU D467 / D 467 Final Exam Questions and Answers |
Latest Update 2026/2027 (Exploring Data) | 100% Correct
(Verified Solution) - WGU
To track people's online activities and interests, which method of data collection is most
effective?
Cookies
What are cookies?
Small files stored on computers that contain information about users
Fill in the blank: For data analytics projects, _____ data is typically preferred because users
know it originated within the organization.
first-party
In data analytics, what term refers to all possible data values in a dataset? Population
,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?
Second-party
Fill in the blank: A data type is a specific kind of data _____ that tells what kind of value the data
is.
attribute
In a data table, where are fields contained?
Columns
When using long data, each subject has data in multiple rows. This is because each row
represents what?
One observation per subject
Fill in the blank: The number of stars awarded to a product review is an example of _____ data.
discrete
,A data analyst works on an urgent traffic study. As a result of the short time frame, which type of
data might yield the best results?
Historical
What type of data is the height of a skyscraper?
Continuous
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
A political scientist needs to poll all voters in Seoul, South Korea, in order to predict the
outcome of an election. Because it would be impossible to collect data from every single person
in the city, the political scientist polls a part of the population that is representative of the whole.
What does this scenario describe?
Using a sample
A data scientist at a tech company records whether users have accepted their company's terms of
service or not. What data type is being collected in this scenario?
Boolean
, Fill in the blank: Bias is a _____ preference in favor of or against a person, group of people, or
thing.
conscious or subconscious
What is the term for the tendency to search for or interpret information in a way that validates
pre-existing beliefs?
Confirmation bias
Fill in the blank: Data is considered _____ when it is accurate, complete, and unbiased
information that has been vetted and proven fit for use.
reliable
A junior data analyst learns that the dataset they have been given is six years old. After looking
into this further, they also discovered that the age of the data is making the information irrelevant
to their project. What good data source principle have they used to evaluate the dataset? Current
What concept states that all data-processing activities and algorithms should be completely
explainable and understood by the individual who provides their data? Transaction
transparency
Latest Update 2026/2027 (Exploring Data) | 100% Correct
(Verified Solution) - WGU
To track people's online activities and interests, which method of data collection is most
effective?
Cookies
What are cookies?
Small files stored on computers that contain information about users
Fill in the blank: For data analytics projects, _____ data is typically preferred because users
know it originated within the organization.
first-party
In data analytics, what term refers to all possible data values in a dataset? Population
,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?
Second-party
Fill in the blank: A data type is a specific kind of data _____ that tells what kind of value the data
is.
attribute
In a data table, where are fields contained?
Columns
When using long data, each subject has data in multiple rows. This is because each row
represents what?
One observation per subject
Fill in the blank: The number of stars awarded to a product review is an example of _____ data.
discrete
,A data analyst works on an urgent traffic study. As a result of the short time frame, which type of
data might yield the best results?
Historical
What type of data is the height of a skyscraper?
Continuous
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
A political scientist needs to poll all voters in Seoul, South Korea, in order to predict the
outcome of an election. Because it would be impossible to collect data from every single person
in the city, the political scientist polls a part of the population that is representative of the whole.
What does this scenario describe?
Using a sample
A data scientist at a tech company records whether users have accepted their company's terms of
service or not. What data type is being collected in this scenario?
Boolean
, Fill in the blank: Bias is a _____ preference in favor of or against a person, group of people, or
thing.
conscious or subconscious
What is the term for the tendency to search for or interpret information in a way that validates
pre-existing beliefs?
Confirmation bias
Fill in the blank: Data is considered _____ when it is accurate, complete, and unbiased
information that has been vetted and proven fit for use.
reliable
A junior data analyst learns that the dataset they have been given is six years old. After looking
into this further, they also discovered that the age of the data is making the information irrelevant
to their project. What good data source principle have they used to evaluate the dataset? Current
What concept states that all data-processing activities and algorithms should be completely
explainable and understood by the individual who provides their data? Transaction
transparency
