D467 WGU Exploring Data
1. To track people's online activities and interests, which Cookies
method of data collection is most effective?
2. What are cookies? Small files stored on com-
puters that contain infor-
mation about users
3. Fill in the blank: For data analytics projects, _____ data first-party
is typically preferred because users know it originated
within the organization.
4. In data analytics, what term refers to all possible data Population
values in a dataset?
5. A grocery store chain purchases customer data from Second-party
a credit card company. The grocer uses this data to
identify its most loyal customers and offer them spe-
cial promotions and discounts. What type of data is
being used in this scenario?
6. What type of data is the height of a skyscraper? Continuous
7. In data analytics, what is the term for data that is External
generated from, and lives, outside of an
8. Fill in the blank: A data model is used to organize _____ data elements
and how they relate to one another.
9. When discussing structured databases, data analysts Field
refer to the data contained in a row as a record. How
do they refer to the data contained in a column?
10. Fill in the blank: A data type is a specific kind of data attribute
_____ that tells what kind of value the data is.
, D467 WGU Exploring Data
11. In a data table, where are fields contained? Columns
12. When using long data, each subject has data in multi- One observation per sub-
ple rows. This is because each row represents what? ject
13. Fill in the blank: The number of stars awarded to a discrete
product review is an example of _____ data.
14. A data analyst works on an urgent traffic study. As Historical
a result of the short time frame, which type of data
might yield the best results?
15. A political scientist needs to poll all voters in Seoul, Using a sample
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 represen-
tative of the whole. What does this scenario describe?
16. A data scientist at a tech company records whether Boolean
users have accepted their company's terms of service
or not. What data type is being collected in this sce-
nario?
17. Which of the following questions would enable a data Did anyone recommend
professional to collect nominal qualitative data? our music lessons to you?
18. Fill in the blank: Bias is a _____ preference in favor of conscious or subcon-
or against a person, group of people, or thing. scious
19. What is the term for the tendency to search for or Confirmation bias
interpret information in a way that validates pre-exist-
ing beliefs?
, D467 WGU Exploring Data
20. Fill in the blank: Data is considered _____ when it is reliable
accurate, complete, and unbiased information that
has been vetted and proven fit for use.
21. A junior data analyst learns that the dataset they have Current
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?
22. What concept states that all data-processing activities Transaction transparency
and algorithms should be completely explainable and
understood by the individual who provides their data?
23. A data analyst removes personally identifying infor- Data anonymization
mation from a dataset. What task are they perform-
ing?
24. Before completing a survey, an individual acknowl- Consent
edges reading information about how and why the
data they provide will be used. What is this concept
called?
25. What are data ethics? Well-founded standards
of right and wrong that
dictate how data is collect-
ed, shared, and used
26. Fill in the blank: Openness refers to _____ access, us- free
age, and sharing of data.
27.
1. To track people's online activities and interests, which Cookies
method of data collection is most effective?
2. What are cookies? Small files stored on com-
puters that contain infor-
mation about users
3. Fill in the blank: For data analytics projects, _____ data first-party
is typically preferred because users know it originated
within the organization.
4. In data analytics, what term refers to all possible data Population
values in a dataset?
5. A grocery store chain purchases customer data from Second-party
a credit card company. The grocer uses this data to
identify its most loyal customers and offer them spe-
cial promotions and discounts. What type of data is
being used in this scenario?
6. What type of data is the height of a skyscraper? Continuous
7. In data analytics, what is the term for data that is External
generated from, and lives, outside of an
8. Fill in the blank: A data model is used to organize _____ data elements
and how they relate to one another.
9. When discussing structured databases, data analysts Field
refer to the data contained in a row as a record. How
do they refer to the data contained in a column?
10. Fill in the blank: A data type is a specific kind of data attribute
_____ that tells what kind of value the data is.
, D467 WGU Exploring Data
11. In a data table, where are fields contained? Columns
12. When using long data, each subject has data in multi- One observation per sub-
ple rows. This is because each row represents what? ject
13. Fill in the blank: The number of stars awarded to a discrete
product review is an example of _____ data.
14. A data analyst works on an urgent traffic study. As Historical
a result of the short time frame, which type of data
might yield the best results?
15. A political scientist needs to poll all voters in Seoul, Using a sample
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 represen-
tative of the whole. What does this scenario describe?
16. A data scientist at a tech company records whether Boolean
users have accepted their company's terms of service
or not. What data type is being collected in this sce-
nario?
17. Which of the following questions would enable a data Did anyone recommend
professional to collect nominal qualitative data? our music lessons to you?
18. Fill in the blank: Bias is a _____ preference in favor of conscious or subcon-
or against a person, group of people, or thing. scious
19. What is the term for the tendency to search for or Confirmation bias
interpret information in a way that validates pre-exist-
ing beliefs?
, D467 WGU Exploring Data
20. Fill in the blank: Data is considered _____ when it is reliable
accurate, complete, and unbiased information that
has been vetted and proven fit for use.
21. A junior data analyst learns that the dataset they have Current
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?
22. What concept states that all data-processing activities Transaction transparency
and algorithms should be completely explainable and
understood by the individual who provides their data?
23. A data analyst removes personally identifying infor- Data anonymization
mation from a dataset. What task are they perform-
ing?
24. Before completing a survey, an individual acknowl- Consent
edges reading information about how and why the
data they provide will be used. What is this concept
called?
25. What are data ethics? Well-founded standards
of right and wrong that
dictate how data is collect-
ed, shared, and used
26. Fill in the blank: Openness refers to _____ access, us- free
age, and sharing of data.
27.
