Dell Data Science Foundations

Here you have the best Dell D-DS-FN-23 practice exam questions

You have 59 total questions to study from
Each page has 5 questions, making a total of 12 pages
You can navigate through the pages using the buttons at the bottom
This questions were last updated on December 10, 2025
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Question 1 of 59

What is a key consideration when preparing a presentation intended for analysts?

Describe how to implement the model

Provide talking points to promote or evangelize the project

Emphasize the business benefits of implementing the model

Focus on clean simple-to-understand visuals

Correct Answer: D

Question 2 of 59

A logistic regression model is built to determine the probability of a credit card borrower defaulting on a credit loan. A threshold value of 0.3 is selected. Which statement can be used to predict a borrower will default?

If probability > 0.1, then predict the borrower will default

If probability < 0.1, then predict the borrower will default

If probability > 0.3, then predict the borrower will default

If probability < 0.3, then predict the borrower will default

Correct Answer: C

Question 3 of 59

What are the two data categories that represent qualitative data?

Ordinal and interval

Nominal and ordinal

Ratio and interval

Nominal and ratio

Correct Answer: B

Question 4 of 59

In hypothesis testing, when does a Type I error occur?

Null hypothesis is rejected when it is actually false

Null hypothesis is rejected when it is actually true

Null hypothesis is accepted when it is actually false

Null hypothesis is accepted when it is actually true

Correct Answer: B

Question 5 of 59

You have been given a task to improve sales force compensation of your organization. As a result of a study, your team decides to classify personnel as follows:

Did not meet quota -

Met quota -

Exceeded 150% of quota -
In which data analytics lifecycle phase should you define these categories for analysis purposes?

Model building

Communicate results

Operationalize

Model planning

Correct Answer: D