D467 (Latest Update )
Exploring Data Review Questions and
100% Correct Verified Answers [Grade A] -
WGU
To track people's online activities and interests, which method of data collection is
most effective? - correct answer Cookies
What are cookies? - correct 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. - correct answer first-party
In data analytics, what term refers to all possible data values in a dataset? - correct
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? - correct
answer Second-party
What type of data is the height of a skyscraper? - correct answer Continuous
In data analytics, what is the term for data that is generated from, and lives, outside
of an - correct answer External
Fill in the blank: A data model is used to organize _____ and how they relate to one
another. - correct 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? - correct
answer Field
,Fill in the blank: A data type is a specific kind of data _____ that tells what kind of
value the data is. - correct answer attribute
In a data table, where are fields contained? - correct answer Columns
When using long data, each subject has data in multiple rows. This is because each
row represents what? - correct answer One observation per subject
Fill in the blank: The number of stars awarded to a product review is an example of
_____ data. - correct 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? - correct 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? - correct 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?
- correct answer Boolean
Which of the following questions would enable a data professional to collect nominal
qualitative data? - correct answer Did anyone recommend our music lessons to you?
Fill in the blank: Bias is a _____ preference in favor of or against a person, group of
people, or thing. - correct answer conscious or subconscious
What is the term for the tendency to search for or interpret information in a way that
validates pre-existing beliefs? - correct 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. - correct answer reliable
Exploring Data Review Questions and
100% Correct Verified Answers [Grade A] -
WGU
To track people's online activities and interests, which method of data collection is
most effective? - correct answer Cookies
What are cookies? - correct 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. - correct answer first-party
In data analytics, what term refers to all possible data values in a dataset? - correct
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? - correct
answer Second-party
What type of data is the height of a skyscraper? - correct answer Continuous
In data analytics, what is the term for data that is generated from, and lives, outside
of an - correct answer External
Fill in the blank: A data model is used to organize _____ and how they relate to one
another. - correct 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? - correct
answer Field
,Fill in the blank: A data type is a specific kind of data _____ that tells what kind of
value the data is. - correct answer attribute
In a data table, where are fields contained? - correct answer Columns
When using long data, each subject has data in multiple rows. This is because each
row represents what? - correct answer One observation per subject
Fill in the blank: The number of stars awarded to a product review is an example of
_____ data. - correct 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? - correct 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? - correct 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?
- correct answer Boolean
Which of the following questions would enable a data professional to collect nominal
qualitative data? - correct answer Did anyone recommend our music lessons to you?
Fill in the blank: Bias is a _____ preference in favor of or against a person, group of
people, or thing. - correct answer conscious or subconscious
What is the term for the tendency to search for or interpret information in a way that
validates pre-existing beliefs? - correct 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. - correct answer reliable
