6/3/25, 10:42 PM WGU D465 OA
WGU D465 OA | Objective Assessment | Explore New 109
Questions and Answers | 2025 Update | 100% Correct.
Correct 109
Incorrect
WGU D465
109 Correct terms
Questions and answers
Term
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,6/3/25, 10:42 PM WGU D465 OA
History Comments
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2 of 109
Term
Why does an analyst use the CONCAT_WS function in Structured
Query Language (SQL)?
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To calculate the average of numerical
To sort data in ascending order
values
To filter records based on specific To add two or more strings
criteria together with a separator
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3 of 109
Term
What is the primary purpose of the Janitor package in R?
,6/3/25, 10:42 PM WGU D465 OA
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It performs statistical tests on
It helps to clean the data.
datasets.
It generates random data for
It visualizes data in interactive charts.
simulations.
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4 of 109
Term
Which types of content make up an R Markdown file?
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Opening and closing tags Tables and fields
Code chunks and text Strings and arrays
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5 of 109
Term
, 6/3/25, 10:42 PM WGU D465 OA
An application developer who specializes in video games needs to
use a programming language that is an extension of the C
programming language that is also used to create console games
such as those for Xbox. Which programming language should the
game developer use?
Give this one a go later!
Java Sd()
Python C++
Don't know?
6 of 109
Term
Which best practice helps to ensure the integrity of data before
beginning to work on a data set?
Give this one a go later!
Data validation Assignment
Restrict editing Formula auditing
WGU D465 OA | Objective Assessment | Explore New 109
Questions and Answers | 2025 Update | 100% Correct.
Correct 109
Incorrect
WGU D465
109 Correct terms
Questions and answers
Term
Give this one a go later!
,6/3/25, 10:42 PM WGU D465 OA
History Comments
Don't know?
2 of 109
Term
Why does an analyst use the CONCAT_WS function in Structured
Query Language (SQL)?
Give this one a go later!
To calculate the average of numerical
To sort data in ascending order
values
To filter records based on specific To add two or more strings
criteria together with a separator
Don't know?
3 of 109
Term
What is the primary purpose of the Janitor package in R?
,6/3/25, 10:42 PM WGU D465 OA
Give this one a go later!
It performs statistical tests on
It helps to clean the data.
datasets.
It generates random data for
It visualizes data in interactive charts.
simulations.
Don't know?
4 of 109
Term
Which types of content make up an R Markdown file?
Give this one a go later!
Opening and closing tags Tables and fields
Code chunks and text Strings and arrays
Don't know?
5 of 109
Term
, 6/3/25, 10:42 PM WGU D465 OA
An application developer who specializes in video games needs to
use a programming language that is an extension of the C
programming language that is also used to create console games
such as those for Xbox. Which programming language should the
game developer use?
Give this one a go later!
Java Sd()
Python C++
Don't know?
6 of 109
Term
Which best practice helps to ensure the integrity of data before
beginning to work on a data set?
Give this one a go later!
Data validation Assignment
Restrict editing Formula auditing
