WGU D467 EXPLORING DATA OA EXAM
NEWEST ACTUAL EXAM WITH
ACCURATE COMPLETE QUESTIONS AND
DETAILED ANSWERS GRADED A |
BRAND NEW!!!
An analyst needs to show the geographic distribution of
customers in the United States by region. Which visual
representation should this analyst use?
Charts
A data professional makes a change to a file. Then, they ask a
colleague to evaluate the change to identify any potential
issues. What does this scenario describe?
Code review
A team is tasked with determining how many customers have
made a purchase in the past month. Using a pivot table in
,Google Sheets, what function will total the number of non-
empty sales in the purchase_date column of its customer
database?
CountA
An analyst used a column of a table to uniquely identify each
record within a table. Which tool did they use?
Primary key
Which tool is used by data analysts to store and organize data,
making it easier for them to manage and access information?
Database
Which type of structured data does an analyst use?
Store inventory
What is an example of conceptual data modeling that an
analyst uses?
,Defining the business requirements for a new database
What leads to confirmation bias in data collection?
People search to verify preexisting beliefs.
Before analysis, a company collects data from countries that
use different date formats. Which of the following actions
would improve the data integrity?
Change all of the dates to the same format
If you have to complete your analysis with insufficient data,
how should you address this limitation?
Identify trends with the available data
A data analyst wants to find out how many middle school
students in Helsinki have laptops. It is unlikely that they can
survey every middle schooler in the city. Instead, they survey
, enough students to represent all middle schoolers. This
describes what data analytics concept?
Using a sample
How does an analyst ensure that a data source is reliable?
It is accurate, complete, and unbiased information.
How does an analyst apply the principle of consent to ethics
and privacy in data collection?
By disclosing how and why the data will be used before the
survey
Which element of a Notepad file would be considered data as
opposed to underlying metadata?
File contents
What should an analyst consider at the start of data collection
to reduce errors?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NurseTony. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $18.99. You're not tied to anything after your purchase.
