Learning Data Analytics – LinkedIn
Test Questions and Answers 2025-
2026 Updated.
Analysts engage in all of the following activities, except: - Answer changing data values
Learning syntax is one of the first big hurdles for any analyst. Which of the following are NOT
recommended for learning syntax? - Answer trial and error
Getting data to a _____ format can help you do more with it.
raw
queried
customized
aggregated - Answer raw
The result of a(n) _____ join for two tables/columns/etc. always contains all records of the "left"
table, even if the join-condition does not find any matching record in the "right" table.
right outer
inner
left outer
outer - Answer left outer
What kind of join requires that there is a record in both of the joined tables/columns?
left outer
inner
outer
right outer - Answer inner
If you want to improve a process and create better data reports from existing ones, what is
something you should ask for (or create if it doesn't exist)?
excel spreadsheet
software
database access
Workflow Diagram - Answer Workflow Diagram
, All of the following are common actions when cleaning data, except:
removing errors (data that isn't controlled when entered can have errors)
altering (data should be reconfigured in order to meet goals)
validating (comparing the data you have against the verified "truth")
standardizing (ensuring data has a standard) - Answer altering (data should be reconfigured
in order to meet goals)
Data ____ ensures that we have quality data.
queries
calculations
governance
measures - Answer Governance
If you're a beginner to data analysis, what is the first thing you should check when you build
data queries?
workflow diagrams
calculations
differentials
record counts - Answer record counts
If you have verified data, and it's been vetted through your team, then you want to be sure you
keep it in a way you can _____, without having to start back over.
remove
recalculate
requery
reuse - Answer reuse
What is an example of a business rule?
You need to join tables to build data sets.
You will use data tools to complete reporting.
You need functions to build better reports
Employees that have completed a process are entered into the next system - Answer
Employees that have completed a process are entered into the next system.
Test Questions and Answers 2025-
2026 Updated.
Analysts engage in all of the following activities, except: - Answer changing data values
Learning syntax is one of the first big hurdles for any analyst. Which of the following are NOT
recommended for learning syntax? - Answer trial and error
Getting data to a _____ format can help you do more with it.
raw
queried
customized
aggregated - Answer raw
The result of a(n) _____ join for two tables/columns/etc. always contains all records of the "left"
table, even if the join-condition does not find any matching record in the "right" table.
right outer
inner
left outer
outer - Answer left outer
What kind of join requires that there is a record in both of the joined tables/columns?
left outer
inner
outer
right outer - Answer inner
If you want to improve a process and create better data reports from existing ones, what is
something you should ask for (or create if it doesn't exist)?
excel spreadsheet
software
database access
Workflow Diagram - Answer Workflow Diagram
, All of the following are common actions when cleaning data, except:
removing errors (data that isn't controlled when entered can have errors)
altering (data should be reconfigured in order to meet goals)
validating (comparing the data you have against the verified "truth")
standardizing (ensuring data has a standard) - Answer altering (data should be reconfigured
in order to meet goals)
Data ____ ensures that we have quality data.
queries
calculations
governance
measures - Answer Governance
If you're a beginner to data analysis, what is the first thing you should check when you build
data queries?
workflow diagrams
calculations
differentials
record counts - Answer record counts
If you have verified data, and it's been vetted through your team, then you want to be sure you
keep it in a way you can _____, without having to start back over.
remove
recalculate
requery
reuse - Answer reuse
What is an example of a business rule?
You need to join tables to build data sets.
You will use data tools to complete reporting.
You need functions to build better reports
Employees that have completed a process are entered into the next system - Answer
Employees that have completed a process are entered into the next system.
