GOOGLE DATA ANALYTICS - COURSE
3 TEST QUESTIONS AND ANSWERS
The tendency to search for or interpret information in a way that validates pre-
existing beliefs is _____ bias. - Answer-confirmation
Which of the following terms are also ways of describing observer bias? Select all
that apply. - Answer-Research bias
Experimenter bias
Which of the following are usually good data sources? Select all that apply. -
Answer-Vetted public datasets
Academic papers
Governmental agency data
To determine if a data source is cited, you should ask which of the following
questions? Select all that apply. - Answer-Is this dataset from a credible
organization?
Has this dataset been properly cleaned?
Who created this dataset?
A data analyst is analyzing sales data for the newest version of a product. They use
third-party data about an older version of the product. For what reasons is this
inappropriate for their analysis? Select all that apply. - Answer-The data is not
current
The data is not original
_____ states that all data-processing activities and algorithms should be completely
explainable and understood by the individual who provides their data. - Answer-
Transaction transparency
A data analyst removes personally identifying information from a dataset. What task
are they performing? - Answer-Data anonymization
Before completing a survey, an individual acknowledges reading information about
how and why the data they provide will be used. What is this concept called? -
Answer-Consent
What aspect of data ethics promotes the free access, usage, and sharing of data? -
Answer-Openness
What are the main benefits of open data? Select all that apply. - Answer-Open data
makes good data more widely available.
Open data combines data from different fields of knowledge.
The running time of a movie is an example of _____ data. - Answer-continuous
, What are the characteristics of unstructured data? Select all that apply. - Answer-
May have an internal structure
Is not organized
Structured data enables data to be grouped together to form relations. This makes it
easier for analysts to do what with the data? Select all that apply. - Answer-Store
Analyze
Search
Which of the following is an example of unstructured data? - Answer-Email message
Internet search engines are an everyday example of how Boolean operators are
used. The Boolean operator _____ expands the number of results when used in a
keyword search. - Answer-OR
Which of the following statements accurately describes a key difference between
wide and long data? - Answer-Wide data subjects can have data in multiple columns.
Long data subjects can have multiple rows that hold the values of subject attributes.
What does data transformation enable data analysts to accomplish? - Answer-
Change the structure of the data
A data analyst is working on an urgent traffic study. As a result of the short time
frame, which type of data are they most likely to use? - Answer-Historical
Continuous data is measured and has a limited number of values. - Answer-False
Which of the following questions collect nominal qualitative data? Select all that
apply. - Answer-Have you heard of our frequent diner program?
Did anyone recommend our restaurant to you today?
Is this your first time dining at this restaurant?
Why is internal data considered more reliable and easier to collect than external
data? - Answer-Internal data lives within a company's own systems.
A social media post is an example of structured data. - Answer-False
A Boolean data type can have _____ possible values. - Answer-two
What kind of data format does it contain? - Answer-Long
Data transformation enables data analysts to change the _____ of the data. -
Answer-structure
Which of the following are examples of discrete data? Select all that apply. - Answer-
Number of actors in movie
Box office returns
Movie budget
Nominal qualitative data has a set order or scale. - Answer-False
3 TEST QUESTIONS AND ANSWERS
The tendency to search for or interpret information in a way that validates pre-
existing beliefs is _____ bias. - Answer-confirmation
Which of the following terms are also ways of describing observer bias? Select all
that apply. - Answer-Research bias
Experimenter bias
Which of the following are usually good data sources? Select all that apply. -
Answer-Vetted public datasets
Academic papers
Governmental agency data
To determine if a data source is cited, you should ask which of the following
questions? Select all that apply. - Answer-Is this dataset from a credible
organization?
Has this dataset been properly cleaned?
Who created this dataset?
A data analyst is analyzing sales data for the newest version of a product. They use
third-party data about an older version of the product. For what reasons is this
inappropriate for their analysis? Select all that apply. - Answer-The data is not
current
The data is not original
_____ states that all data-processing activities and algorithms should be completely
explainable and understood by the individual who provides their data. - Answer-
Transaction transparency
A data analyst removes personally identifying information from a dataset. What task
are they performing? - Answer-Data anonymization
Before completing a survey, an individual acknowledges reading information about
how and why the data they provide will be used. What is this concept called? -
Answer-Consent
What aspect of data ethics promotes the free access, usage, and sharing of data? -
Answer-Openness
What are the main benefits of open data? Select all that apply. - Answer-Open data
makes good data more widely available.
Open data combines data from different fields of knowledge.
The running time of a movie is an example of _____ data. - Answer-continuous
, What are the characteristics of unstructured data? Select all that apply. - Answer-
May have an internal structure
Is not organized
Structured data enables data to be grouped together to form relations. This makes it
easier for analysts to do what with the data? Select all that apply. - Answer-Store
Analyze
Search
Which of the following is an example of unstructured data? - Answer-Email message
Internet search engines are an everyday example of how Boolean operators are
used. The Boolean operator _____ expands the number of results when used in a
keyword search. - Answer-OR
Which of the following statements accurately describes a key difference between
wide and long data? - Answer-Wide data subjects can have data in multiple columns.
Long data subjects can have multiple rows that hold the values of subject attributes.
What does data transformation enable data analysts to accomplish? - Answer-
Change the structure of the data
A data analyst is working on an urgent traffic study. As a result of the short time
frame, which type of data are they most likely to use? - Answer-Historical
Continuous data is measured and has a limited number of values. - Answer-False
Which of the following questions collect nominal qualitative data? Select all that
apply. - Answer-Have you heard of our frequent diner program?
Did anyone recommend our restaurant to you today?
Is this your first time dining at this restaurant?
Why is internal data considered more reliable and easier to collect than external
data? - Answer-Internal data lives within a company's own systems.
A social media post is an example of structured data. - Answer-False
A Boolean data type can have _____ possible values. - Answer-two
What kind of data format does it contain? - Answer-Long
Data transformation enables data analysts to change the _____ of the data. -
Answer-structure
Which of the following are examples of discrete data? Select all that apply. - Answer-
Number of actors in movie
Box office returns
Movie budget
Nominal qualitative data has a set order or scale. - Answer-False
