D467 - Exploring Data | Study Guide | Questions and answers
What are cookies? Small files stored on computers that contain information about users
Types of malware that can damage
computers
Small files stored on computers that
contain information about users
Programs that enable users to access
websites
Pieces of code that store information about
a website
Fill in the blank: For data analytics projects, first-party
____data is typically preferred because
users know it originated within the
organization.
second-party
third-party
multi-party
first-party
A grocery store chain purchases customer Second-party
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?
First-party
Multi-party
Third-party
Second-party
,In data analytics, what term refers to all Population
possible data values in a dataset?
Source
Representation
Population
Sample
An entertainment website displays a Discrete
star rating for a movie based on user Ordinal
reviews. Users can select from one to
five whole stars to rate the movie. The star
rating is an example of what type of
data? Select all that apply.
Continuous
Discrete
Ordinal
Nominal
What type of data is the height of a Continuous
skyscraper?
Discrete
Qualitative
Nominal
Continuous
In data analytics, what is the term for data External
that is generated from, and lives, outside of
an organization?
Peripheral
Outer
Internal
External
What are the key characteristics of Unorganized
unstructured data? Select all that apply. May have an internal structure
Fits neatly into rows and
columns Unorganized
May have an internal structure
Clearly identifiable construction
Fill in the blank: A data model is used to data elements
organize____and how they relate to one
another.
data visualizations
database structures
data elements
spreadsheet fields
, When discussing structured databases, Field
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
Subject
Character
Point
Fill in the blank: A data type is a attribute
specific kind of data that tells
what kind of
value the data is.
attribute
frame
model
point
What are the key characteristics of a text, Contains textual information
or string, data type? Select all that Sequence of characters and punctuation
apply.
Contains textual information
Only two possible values
Sequence of characters and punctuation
Has numerical percentages
In a data table, where are fields contained? Columns
Rows
Columns
Favorites
Charts
When using long data, each subject One observation per subject
has data in multiple rows. This is because
each row represents what?
Data in different formats
True or false data points
One observation per subject
Multiple values
What strategy do data professionals use in Use random sampling during data collection
order to ensure unbiased sampling?
Use random sampling during data
collection
Write survey questions that encourage
specific responses
Store data in a spreadsheet
Skew results in a certain
direction
What are cookies? Small files stored on computers that contain information about users
Types of malware that can damage
computers
Small files stored on computers that
contain information about users
Programs that enable users to access
websites
Pieces of code that store information about
a website
Fill in the blank: For data analytics projects, first-party
____data is typically preferred because
users know it originated within the
organization.
second-party
third-party
multi-party
first-party
A grocery store chain purchases customer Second-party
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?
First-party
Multi-party
Third-party
Second-party
,In data analytics, what term refers to all Population
possible data values in a dataset?
Source
Representation
Population
Sample
An entertainment website displays a Discrete
star rating for a movie based on user Ordinal
reviews. Users can select from one to
five whole stars to rate the movie. The star
rating is an example of what type of
data? Select all that apply.
Continuous
Discrete
Ordinal
Nominal
What type of data is the height of a Continuous
skyscraper?
Discrete
Qualitative
Nominal
Continuous
In data analytics, what is the term for data External
that is generated from, and lives, outside of
an organization?
Peripheral
Outer
Internal
External
What are the key characteristics of Unorganized
unstructured data? Select all that apply. May have an internal structure
Fits neatly into rows and
columns Unorganized
May have an internal structure
Clearly identifiable construction
Fill in the blank: A data model is used to data elements
organize____and how they relate to one
another.
data visualizations
database structures
data elements
spreadsheet fields
, When discussing structured databases, Field
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
Subject
Character
Point
Fill in the blank: A data type is a attribute
specific kind of data that tells
what kind of
value the data is.
attribute
frame
model
point
What are the key characteristics of a text, Contains textual information
or string, data type? Select all that Sequence of characters and punctuation
apply.
Contains textual information
Only two possible values
Sequence of characters and punctuation
Has numerical percentages
In a data table, where are fields contained? Columns
Rows
Columns
Favorites
Charts
When using long data, each subject One observation per subject
has data in multiple rows. This is because
each row represents what?
Data in different formats
True or false data points
One observation per subject
Multiple values
What strategy do data professionals use in Use random sampling during data collection
order to ensure unbiased sampling?
Use random sampling during data
collection
Write survey questions that encourage
specific responses
Store data in a spreadsheet
Skew results in a certain
direction
