Google Data Analytics Professional Certificate
30 Practice Questions & Answers
Question 1
What is the primary purpose of data analytics?
A. To create websites
B. To analyze data and support decision-making
C. To manage databases only
D. To develop software
**Answer**: B
Explanation: Data analytics involves collecting, transforming, and analyzing data to uncover
insights that support business decisions.
Question 2
Which phase comes first in the Google Data Analytics process?
A. Analyze
B. Prepare
C. Ask
D. Share
**Answer**: C
Explanation: The Ask phase defines the business problem, objectives, and stakeholders.
Question 3
What is a stakeholder?
A. A database administrator
B. A person invested in the outcome of a project
C. A software developer
D. A network engineer
**Answer**: B
Explanation: Stakeholders are individuals or groups who are affected by project outcomes.
Question 4
,What does data-driven decision-making mean?
A. Making decisions based on assumptions
B. Making decisions based on data analysis and evidence
C. Making decisions quickly
D. Following management opinions
**Answer**: B
Explanation: Data-driven decisions rely on objective evidence rather than intuition alone.
Question 5
Which of the following is an example of qualitative data?
A. Sales revenue
B. Age
C. Customer feedback comments
D. Number of purchases
**Answer**: C
Explanation: Qualitative data describes qualities, opinions, or experiences.
Question 6
Which of the following is quantitative data?
A. Product reviews
B. Interview transcripts
C. Customer opinions
D. Monthly sales figures
**Answer**: D
Explanation: Quantitative data is numerical and measurable.
Question 7
What is data integrity?
A. Data storage process
B. Data accuracy, completeness, and reliability
C. Data visualization technique
,D. Database backup procedure
**Answer**: B
Explanation: Data integrity ensures data remains accurate and trustworthy throughout its
lifecycle.
Question 8
Why is data cleaning important?
A. To increase file size
B. To improve data quality and accuracy
C. To create visualizations
D. To reduce storage capacity
**Answer**: B
Explanation: Clean data helps ensure accurate analysis and reliable insights.
Question 9
Which spreadsheet function calculates the average of a range of values?
A. SUM()
B. MAX()
C. AVERAGE()
D. COUNT()
**Answer**: C
Explanation: AVERAGE() calculates the arithmetic mean of selected values.
Question 10
What is the purpose of sorting data?
A. To delete records
B. To arrange data in a specific order
C. To encrypt information
D. To duplicate records
**Answer**: B
, Explanation: Sorting helps analysts identify patterns and trends more efficiently.
Question 11
What is a database?
A. A chart
B. A collection of organized data
C. A spreadsheet formula
D. A dashboard
**Answer**: B
Explanation: Databases store and organize information for easy access and analysis.
Question 12
What does SQL stand for?
A. Structured Query Language
B. Statistical Query Logic
C. Standard Quality Language
D. Software Query Link
**Answer**: A
Explanation: SQL is the standard language used to manage and query relational databases.
Question 13
Which SQL statement retrieves data from a table?
A. DELETE
B. UPDATE
C. SELECT
D. INSERT
**Answer**: C
Explanation: SELECT is used to retrieve information from databases.
Question 14
What is a data visualization?
30 Practice Questions & Answers
Question 1
What is the primary purpose of data analytics?
A. To create websites
B. To analyze data and support decision-making
C. To manage databases only
D. To develop software
**Answer**: B
Explanation: Data analytics involves collecting, transforming, and analyzing data to uncover
insights that support business decisions.
Question 2
Which phase comes first in the Google Data Analytics process?
A. Analyze
B. Prepare
C. Ask
D. Share
**Answer**: C
Explanation: The Ask phase defines the business problem, objectives, and stakeholders.
Question 3
What is a stakeholder?
A. A database administrator
B. A person invested in the outcome of a project
C. A software developer
D. A network engineer
**Answer**: B
Explanation: Stakeholders are individuals or groups who are affected by project outcomes.
Question 4
,What does data-driven decision-making mean?
A. Making decisions based on assumptions
B. Making decisions based on data analysis and evidence
C. Making decisions quickly
D. Following management opinions
**Answer**: B
Explanation: Data-driven decisions rely on objective evidence rather than intuition alone.
Question 5
Which of the following is an example of qualitative data?
A. Sales revenue
B. Age
C. Customer feedback comments
D. Number of purchases
**Answer**: C
Explanation: Qualitative data describes qualities, opinions, or experiences.
Question 6
Which of the following is quantitative data?
A. Product reviews
B. Interview transcripts
C. Customer opinions
D. Monthly sales figures
**Answer**: D
Explanation: Quantitative data is numerical and measurable.
Question 7
What is data integrity?
A. Data storage process
B. Data accuracy, completeness, and reliability
C. Data visualization technique
,D. Database backup procedure
**Answer**: B
Explanation: Data integrity ensures data remains accurate and trustworthy throughout its
lifecycle.
Question 8
Why is data cleaning important?
A. To increase file size
B. To improve data quality and accuracy
C. To create visualizations
D. To reduce storage capacity
**Answer**: B
Explanation: Clean data helps ensure accurate analysis and reliable insights.
Question 9
Which spreadsheet function calculates the average of a range of values?
A. SUM()
B. MAX()
C. AVERAGE()
D. COUNT()
**Answer**: C
Explanation: AVERAGE() calculates the arithmetic mean of selected values.
Question 10
What is the purpose of sorting data?
A. To delete records
B. To arrange data in a specific order
C. To encrypt information
D. To duplicate records
**Answer**: B
, Explanation: Sorting helps analysts identify patterns and trends more efficiently.
Question 11
What is a database?
A. A chart
B. A collection of organized data
C. A spreadsheet formula
D. A dashboard
**Answer**: B
Explanation: Databases store and organize information for easy access and analysis.
Question 12
What does SQL stand for?
A. Structured Query Language
B. Statistical Query Logic
C. Standard Quality Language
D. Software Query Link
**Answer**: A
Explanation: SQL is the standard language used to manage and query relational databases.
Question 13
Which SQL statement retrieves data from a table?
A. DELETE
B. UPDATE
C. SELECT
D. INSERT
**Answer**: C
Explanation: SELECT is used to retrieve information from databases.
Question 14
What is a data visualization?
