D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - 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
, D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - WGU
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
What type of data is the height of a skyscraper?
Continuous
In data analytics, what is the term for data that is generated from, and lives, outside of an
External
Fill in the blank: A data model is used to organize and how they relate to one another.
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?
Field
Fill in the blank: A data type is a specific kind of data that tells what kind of value the data
is.
, D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - WGU
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
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?
, D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - WGU
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
Which of the following questions would enable a data professional to collect nominal qualitative
data?
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.
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.
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - 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
, D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - WGU
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
What type of data is the height of a skyscraper?
Continuous
In data analytics, what is the term for data that is generated from, and lives, outside of an
External
Fill in the blank: A data model is used to organize and how they relate to one another.
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?
Field
Fill in the blank: A data type is a specific kind of data that tells what kind of value the data
is.
, D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - WGU
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
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?
, D 467 / D467 Pre- Assessment Exam (Latest
Update ) Exploring Data | verified
Questions and Verified Answers | Grade A | 100%
Correct - WGU
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
Which of the following questions would enable a data professional to collect nominal qualitative
data?
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.
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.
