WGU D467 Exploring Data Exam 2026 Actual
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Fill in the blank: A data model is used to organize _____
and how they relate to one another. - Answer-data
elements
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? - Answer-Field
Fill in the blank: A data type is a specific kind of data
_____ that tells what kind of value the data is. - Answer-
attribute
In a data table, where are fields contained? - Answer-
Columns
When using long data, each subject has data in multiple
rows. This is because each row represents what? -
Answer-One observation per subject
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Fill in the blank: The number of stars awarded to a product
review is an example of _____ data. - Answer-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? - Answer-Historical
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? - Answer-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? -
Answer-Boolean
Which of the following questions would enable a data
professional to collect nominal qualitative data? - Answer-
Did anyone recommend our music lessons to you?
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Fill in the blank: Bias is a _____ preference in favor of or
against a person, group of people, or thing. - Answer-
conscious or subconscious
To track people's online activities and interests, which
method of data collection is most effective? - Answer-
Cookies
What are cookies? - Answer-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. - Answer-first-party
In data analytics, what term refers to all possible data
values in a dataset? - Answer-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? - Answer-Second-party
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What type of data is the height of a skyscraper? - Answer-
Continuous
In data analytics, what is the term for data that is
generated from, and lives, outside of an - Answer-External
What is the term for the tendency to search for or interpret
information in a way that validates pre-existing beliefs? -
Answer-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. - Answer-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? -
Answer-Current