D467 EXPLORING DATA Computer Science EXAM QUESTIONS AND ANSWERS WESTERN GOVERNORS ‚ „ UNIVERSITY

D467 EXPLORING DATA (Computer Science) EXAM QUESTIONS AND
ANSWERS WESTERN GOVERNORS’ UNIVERSITY
1. To track people's online activities and interests,
which method of data collection is most effective?
Cookies
2. What are cookies? Small files stored
on computers that
contain information about users
3. Fill in the blank: For data analytics projects,
data is typically preferred because users know it originated within the organization.
4. In data analytics, what term refers to all possible data
values in a dataset?
first-party
Population
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 special 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
gene from, and lives, outside of an
8. Fill in the blank: A data model is used to organize
and how they relate to one another.
9. 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?
10. Fill in the blank: A data type is a specific kind of data
that tells what kind of value the data is.
External
data elements
Field
attribute
11. In a data table, where are fields contained? Columns
12. When using long data, each subject has data in multiple rows.This is because each row represents what?
One observation
per subject