WGU D467 EXPLORING DATA OA EXAM m m m m m
NEWEST ACTUAL EXAM WITH ACCURAT m m m m
E COMPLETE QUESTIONS AND DETAILED
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ANSWERS GRADED A | BRAND NEW!!!
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An analyst needs to show the geographic distribution of custo
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mers in the United States by region. Which visual representati
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on should this analyst use?
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Charts
A data professional makes a change to a file. Then, they ask a c
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olleague to evaluate the change to identify any potential issues
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. What does this scenario describe?
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Code review m
A team is tasked with determining how many customers have
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made a purchase in the past month. Using a pivot table in
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,Google Sheets, what function will total the number of non-
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empty sales in the purchase_date column of its customer data
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base?
CountA
An analyst used a column of a table to uniquely identify each r
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ecord within a table. Which tool did they use?
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Primary key m
Which tool is used by data analysts to store and organize data,
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making it easier for them to manage and access information?
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Database
Which type of structured data does an analyst use?
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Store inventory
m
What is an example of conceptual data modeling that an analys
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t uses?
m
,Defining the business requirements for a new database
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What leads to confirmation bias in data collection?
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People search to verify preexisting beliefs.
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Before analysis, a company collects data from countries that us
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e different date formats. Which of the following actions would
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improve the data integrity?
m m m
Change all of the dates to the same format
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If you have to complete your analysis with insufficient data, ho
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w should you address this limitation?
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Identify trends with the available data
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A data analyst wants to find out how many middle school stud
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ents in Helsinki have laptops. It is unlikely that they can survey
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every middle schooler in the city. Instead, they survey
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, enough students to represent all middle schoolers. This describ
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es what data analytics concept?
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Using a sample m m
How does an analyst ensure that a data source is reliable?
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It is accurate, complete, and unbiased information.
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How does an analyst apply the principle of consent to ethics an
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d privacy in data collection?
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By disclosing how and why the data will be used before the s
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urvey
Which element of a Notepad file would be considered data as o
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pposed to underlying metadata?
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File contents
m
What should an analyst consider at the start of data collection t
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o reduce errors?
m m
NEWEST ACTUAL EXAM WITH ACCURAT m m m m
E COMPLETE QUESTIONS AND DETAILED
m m m m
ANSWERS GRADED A | BRAND NEW!!!
m m m m m m
An analyst needs to show the geographic distribution of custo
m m m m m m m m m
mers in the United States by region. Which visual representati
m m m m m m m m m
on should this analyst use?
m m m m
Charts
A data professional makes a change to a file. Then, they ask a c
m m m m m m m m m m m m m
olleague to evaluate the change to identify any potential issues
m m m m m m m m m
. What does this scenario describe?
m m m m m
Code review m
A team is tasked with determining how many customers have
m m m m m m m m m m
made a purchase in the past month. Using a pivot table in
m m m m m m m m m m m
,Google Sheets, what function will total the number of non-
m m m m m m m m m
empty sales in the purchase_date column of its customer data
m m m m m m m m m m
base?
CountA
An analyst used a column of a table to uniquely identify each r
m m m m m m m m m m m m
ecord within a table. Which tool did they use?
m m m m m m m m
Primary key m
Which tool is used by data analysts to store and organize data,
m m m m m m m m m m m m
making it easier for them to manage and access information?
m m m m m m m m m
Database
Which type of structured data does an analyst use?
m m m m m m m m
Store inventory
m
What is an example of conceptual data modeling that an analys
m m m m m m m m m m
t uses?
m
,Defining the business requirements for a new database
m m m m m m m
What leads to confirmation bias in data collection?
m m m m m m m
People search to verify preexisting beliefs.
m m m m m
Before analysis, a company collects data from countries that us
m m m m m m m m m
e different date formats. Which of the following actions would
m m m m m m m m m m
improve the data integrity?
m m m
Change all of the dates to the same format
m m m m m m m m
If you have to complete your analysis with insufficient data, ho
m m m m m m m m m m
w should you address this limitation?
m m m m m
Identify trends with the available data
m m m m m
A data analyst wants to find out how many middle school stud
m m m m m m m m m m m
ents in Helsinki have laptops. It is unlikely that they can survey
m m m m m m m m m m m m
every middle schooler in the city. Instead, they survey
m m m m m m m m
, enough students to represent all middle schoolers. This describ
m m m m m m m m
es what data analytics concept?
m m m m
Using a sample m m
How does an analyst ensure that a data source is reliable?
m m m m m m m m m m
It is accurate, complete, and unbiased information.
m m m m m m
How does an analyst apply the principle of consent to ethics an
m m m m m m m m m m m
d privacy in data collection?
m m m m
By disclosing how and why the data will be used before the s
m m m m m m m m m m m m
urvey
Which element of a Notepad file would be considered data as o
m m m m m m m m m m m
pposed to underlying metadata?
m m m
File contents
m
What should an analyst consider at the start of data collection t
m m m m m m m m m m m
o reduce errors?
m m
