Final Data Analyst Practice Test
Questions and All Correct Answers
2025-2026.
A company wants to determine the efficiency of their newly updated web site by tracking what
customers did on the site and how much time the customers spent on each page. Which of the
following would be the best approach?
a- Have customer service representatives contact individual customers who have visited the site
and interview them.
b- Use a customer satisfaction survey on Facebook
c- Provide incentives to customers to complete a short survey after visiting each page of the
site.
d- Analyze click through rates from web logs. - Answer Analyze click through rates from web
logs.
For most businesses, using cloud-based computing offers many benefits, except?
a- Reliability
b- Ubiquity
c- Latency
d- Economy - Answer Latency
You are assigned a project to determine the effectiveness of a recent post card campaign. The
post card was mailed to a rented list of businesses similar to your current customers. The
postcard offered a 10% discount on the first purchase of your company's flagship product.
Which internal company department would you contact first to obtain data?
a- Sales
b- Product development
c- Shipping and receiving
d- Marketing - Answer Sales
You work in the registrar's department for a major university. You need to report on expected
enrollments for the next school year's cycle of freshman class registration. You must work with
several different departments in the university. Which internal organization will provide the
least important data for your report?
a- IT department, for new student technical support requests
b- Athletics department, for ticket sales for sporting events
c- Admissions department, for accepted applicants
, d- Finance department, for financial aid applications - Answer Athletics department, for
ticket sales for sporting events
Chris works for a large e-commerce company and is looking to use the R Project to create 3D
contour charts that will represent the last five years' sales data. What element of the R Project
could help him create these charts?
a- Tableau Public
b- Knime
c- Graph-R
d- R-Visualizer - Answer Graph-R
As the Data Analyst, you need to review the format of printed bills going out to customers. You
notice that bills previously paid by credit card, show the full card number and other
information. You recommend that this information be masked or truncated. Why?
a- To prevent theft of the information
b- To simplify the display for customers
c- To remind customers that they used a credit card
d- To prevent customers from paying the bill twice - Answer To prevent theft of the
information
Digitax develops and sells a boxed, locally installed tax preparation software application. They
handle all the shipping and fulfillment internally. Some customers have requested an online
application instead. Besides software development costs, what additional information should be
considered?
a- Total annual revenue and customer demographics
b- Warehouse costs to store boxed product (cds, manuals) versus cloud hosting services
c- Sales leads from tradeshows and magazine advertising, and promotional mailing lists
d- Company overhead costs and physical location security - Answer Warehouse costs to store
boxed product (cds, manuals) versus cloud hosting services
What is an advantage of using centralized data?
a- The use of "shadow" databases helps to create one version of the data
b- A single location holding the main record of the data ensures consistency and accuracy
c- Using multiple data redundancies at a single location creates robust centralized data
d- Small changes to the database do not affect centralized data, making it more stable over time
- Answer A single location holding the main record of the data ensures consistency and
accuracy
Questions and All Correct Answers
2025-2026.
A company wants to determine the efficiency of their newly updated web site by tracking what
customers did on the site and how much time the customers spent on each page. Which of the
following would be the best approach?
a- Have customer service representatives contact individual customers who have visited the site
and interview them.
b- Use a customer satisfaction survey on Facebook
c- Provide incentives to customers to complete a short survey after visiting each page of the
site.
d- Analyze click through rates from web logs. - Answer Analyze click through rates from web
logs.
For most businesses, using cloud-based computing offers many benefits, except?
a- Reliability
b- Ubiquity
c- Latency
d- Economy - Answer Latency
You are assigned a project to determine the effectiveness of a recent post card campaign. The
post card was mailed to a rented list of businesses similar to your current customers. The
postcard offered a 10% discount on the first purchase of your company's flagship product.
Which internal company department would you contact first to obtain data?
a- Sales
b- Product development
c- Shipping and receiving
d- Marketing - Answer Sales
You work in the registrar's department for a major university. You need to report on expected
enrollments for the next school year's cycle of freshman class registration. You must work with
several different departments in the university. Which internal organization will provide the
least important data for your report?
a- IT department, for new student technical support requests
b- Athletics department, for ticket sales for sporting events
c- Admissions department, for accepted applicants
, d- Finance department, for financial aid applications - Answer Athletics department, for
ticket sales for sporting events
Chris works for a large e-commerce company and is looking to use the R Project to create 3D
contour charts that will represent the last five years' sales data. What element of the R Project
could help him create these charts?
a- Tableau Public
b- Knime
c- Graph-R
d- R-Visualizer - Answer Graph-R
As the Data Analyst, you need to review the format of printed bills going out to customers. You
notice that bills previously paid by credit card, show the full card number and other
information. You recommend that this information be masked or truncated. Why?
a- To prevent theft of the information
b- To simplify the display for customers
c- To remind customers that they used a credit card
d- To prevent customers from paying the bill twice - Answer To prevent theft of the
information
Digitax develops and sells a boxed, locally installed tax preparation software application. They
handle all the shipping and fulfillment internally. Some customers have requested an online
application instead. Besides software development costs, what additional information should be
considered?
a- Total annual revenue and customer demographics
b- Warehouse costs to store boxed product (cds, manuals) versus cloud hosting services
c- Sales leads from tradeshows and magazine advertising, and promotional mailing lists
d- Company overhead costs and physical location security - Answer Warehouse costs to store
boxed product (cds, manuals) versus cloud hosting services
What is an advantage of using centralized data?
a- The use of "shadow" databases helps to create one version of the data
b- A single location holding the main record of the data ensures consistency and accuracy
c- Using multiple data redundancies at a single location creates robust centralized data
d- Small changes to the database do not affect centralized data, making it more stable over time
- Answer A single location holding the main record of the data ensures consistency and
accuracy
