1|Page
WGU D467 EXPLORING DATA OBJECTIVE
ASSESSMENT AND PRE-ASSESSMENT EXAM
NEWEST 2026/2027 ACTUAL VERIFIED EXAM
COMPLETE 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||NEWEST EXAM!!!
A data analyst works for a rental car company. They have
a spreadsheet that lists car ID numbers and the dates cars
were returned. How should they sort the spreadsheet to
find the most recently returned cars?
By return date, in ascending order
By return date, in descending order
By car numerical ID, in ascending order
By car numerical ID, in descending order - ANSWER-By
return date, in descending order
Fill in the blank: To keep a header row at the top of a
spreadsheet, highlight the row and select _____ from the
View menu.
set
lock
,2|Page
freeze
pin - ANSWER-freeze
Which statement is true about sampling, irrespective of
sample size?
The sample standard deviation (Stdev) is the same as the
population Stdev.
The sample distribution approximates to normal
distribution.
The sample bias is reduced if the sample being selected is
representative of the population.
The sample mean approaches the population mean -
ANSWER-The sample bias is reduced if the sample being
selected is representative of the population.
A data analyst is performing analysis on data stored in a
big data platform with state-of-the-art analysis tools.
Insufficient sample size is rendering the current analysis
ineffective. What is the primary challenge of a larger
sample size?
Collecting a larger sample size is more expensive.
Analyzing a larger sample size is complex.
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Storing a larger sample size is difficult.
Cleansing a larger sample size is complicated. -
ANSWER-Collecting a larger sample size is more
expensive.
In the next six months, an analyst is expected to analyze
and present the effects of monthly promotions on sales of
a new product released one month ago. Which solution for
insufficient data should this analyst pursue?
Look for a new data set
Identify trends with available data
Speak with stakeholders and adjust the objective
Wait for more data - ANSWER-Wait for more data
A team leader is assigned the task of evaluating the
schema of a data set as part of data cleansing. How would
the team leader define a schema to the analyst
collaborating on the project prior to commencing
cleansing?
How well two or more data sets work together
A way of describing how something is organized
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A process of combining two or more data sets into a single
data set
A way of matching fields in separate databases -
ANSWER-A way of describing how something is
organized
An analyst performing data cleansing on invoice data
would like to select and view rows that have an amount
paid that is greater than $100. Which spreadsheet
functionality should the analyst use?
COUNTIF
Conditional formatting
Filter
Remove duplicates - ANSWER-Filter
Why is clean data critical for data analysis?
It ensures data drives the decision the analyst intends to
communicate.
It ensures data used for analysis reflects operational
reality.
It ensures data is structured to enable effective analysis.
WGU D467 EXPLORING DATA OBJECTIVE
ASSESSMENT AND PRE-ASSESSMENT EXAM
NEWEST 2026/2027 ACTUAL VERIFIED EXAM
COMPLETE 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||NEWEST EXAM!!!
A data analyst works for a rental car company. They have
a spreadsheet that lists car ID numbers and the dates cars
were returned. How should they sort the spreadsheet to
find the most recently returned cars?
By return date, in ascending order
By return date, in descending order
By car numerical ID, in ascending order
By car numerical ID, in descending order - ANSWER-By
return date, in descending order
Fill in the blank: To keep a header row at the top of a
spreadsheet, highlight the row and select _____ from the
View menu.
set
lock
,2|Page
freeze
pin - ANSWER-freeze
Which statement is true about sampling, irrespective of
sample size?
The sample standard deviation (Stdev) is the same as the
population Stdev.
The sample distribution approximates to normal
distribution.
The sample bias is reduced if the sample being selected is
representative of the population.
The sample mean approaches the population mean -
ANSWER-The sample bias is reduced if the sample being
selected is representative of the population.
A data analyst is performing analysis on data stored in a
big data platform with state-of-the-art analysis tools.
Insufficient sample size is rendering the current analysis
ineffective. What is the primary challenge of a larger
sample size?
Collecting a larger sample size is more expensive.
Analyzing a larger sample size is complex.
,3|Page
Storing a larger sample size is difficult.
Cleansing a larger sample size is complicated. -
ANSWER-Collecting a larger sample size is more
expensive.
In the next six months, an analyst is expected to analyze
and present the effects of monthly promotions on sales of
a new product released one month ago. Which solution for
insufficient data should this analyst pursue?
Look for a new data set
Identify trends with available data
Speak with stakeholders and adjust the objective
Wait for more data - ANSWER-Wait for more data
A team leader is assigned the task of evaluating the
schema of a data set as part of data cleansing. How would
the team leader define a schema to the analyst
collaborating on the project prior to commencing
cleansing?
How well two or more data sets work together
A way of describing how something is organized
, 4|Page
A process of combining two or more data sets into a single
data set
A way of matching fields in separate databases -
ANSWER-A way of describing how something is
organized
An analyst performing data cleansing on invoice data
would like to select and view rows that have an amount
paid that is greater than $100. Which spreadsheet
functionality should the analyst use?
COUNTIF
Conditional formatting
Filter
Remove duplicates - ANSWER-Filter
Why is clean data critical for data analysis?
It ensures data drives the decision the analyst intends to
communicate.
It ensures data used for analysis reflects operational
reality.
It ensures data is structured to enable effective analysis.
