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D-DS-FN-23: Dell Technologies Data Scientist - Foundations 2023
The Dell Technologies Data Scientist – Foundations 2023 (D-DS-FN-23) certification validates your foundational knowledge of data science concepts, tools, and techniques, including data preparation, model building, and evaluation. Practicing with real exam questions shared by those who have passed the exam can significantly enhance your preparation. In this guide, we provide D-DS-FN-23 practice test questions contributed by certified professionals.
Exam Details:
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Exam Name: Dell Technologies Data Scientist – Foundations 2023
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Exam Code: D-DS-FN-23
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Exam Format: Multiple Choice
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Number of Questions: 60
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Test Duration: 90 minutes
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Passing Score: 63%
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Exam Fee: $230 USD
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Exam Delivery: Online proctored or at Pearson VUE test centers
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Exam Topics Covered:
- Data Science Fundamentals: Overview of data science lifecycle and roles.
- Exploratory Data Analysis: Techniques for data exploration, cleaning, and visualization.
- Data Preparation: Feature engineering, normalization, and data transformation.
- Modeling Techniques: Supervised and unsupervised learning concepts.
Related questions
Which chart type is intended to display time series data?
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Refer to Exhibit.
Refer to the exhibit.
What is the approximate R-squared value for a linear regression model fitted to the data associated with this scatterplot?
You have the data from a popular e-commerce website. You are exploring the time spent (in seconds) on the website by 100,000 customers across 14 different product categories.
What visualization can be used to represent the relationship between time spent and product category?
What is part of the model output for a linear regression?
What is the primary role of a business intelligence analyst on an analytics project?
You build a decision tree to classify five different types of customers based on their browsing history from a sample of 500. The resulting decision tree has 17 layers. One of the leaf nodes has only three customers.
What do you conclude?
What are three built-in data types in the R programming language?
Refer to Exhibit.
Refer to the exhibit, which shows pairwise counts for items purchased together.
Consider the following association rule: Milk -> Eggs
What is value of the lift?
Which component of a final presentation provides a succinct overview of the business situation that was the impetus to initiate the project?
What action occurs during feature selection in the model building phase of the data analytics lifecycle?
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Selling illegal goods, money scams etc.
Serious attack on a group.
Harassing an individual (including doxing)
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