A data scientist is presenting a new churn prediction model to a group of business stakeholders who manage customer retention programs. What is the most important expectation this audience is likely to have?

A detailed derivation of the model's mathematical formulas

A comparison of different programming languages used in the analysis

Actionable insights that can be applied to improve customer retention

A comprehensive review of all data quality issues encountered

A data analyst is designing a slide to present the results of a customer survey. The key finding is that customer satisfaction has improved significantly after a recent service change. The audience is the company's leadership team. Which visual approach best highlights this key insight?

Use a before-and-after bar chart with clear labels and a callout showing the percentage increase in satisfaction.

Use a line chart with many lines for each survey question, without highlighting the overall trend.

Show a table with all survey questions and their average scores before and after the change.

Use a complex heatmap showing satisfaction scores across many different customer segments and time periods.

A data science team has built a model to predict employee attrition. They must present the findings to the HR director, who wants to know which factors are most actionable for retention programs. The team has limited time and the HR director is not technical. Which narrative approach is most effective?

Focus on the model's limitations and potential biases, and avoid making specific recommendations.

Show a comprehensive list of all factors that influence attrition, ranked by statistical significance, without recommendations.

Structure the presentation around the top three actionable factors (e.g., manager support, compensation, work-life balance), showing their impact on attrition and suggesting retention initiatives for each.

Present the model's overall accuracy and feature importance scores, then explain the algorithm's mechanics.

According to visual design best practices, what is the primary purpose of using a simple and uncluttered chart in a presentation?

To allow the audience to focus on the key message without distraction

To reduce the file size of the presentation

To demonstrate the presenter's technical skill in using charting tools

To make the slide look professional and impressive

When preparing a presentation for a technical team of data scientists and engineers, which approach best tailors the content to this audience?

Using simple analogies and avoiding any mathematical notation

Including detailed information about model architecture, feature engineering, and evaluation metrics

Focusing only on high-level conclusions and omitting all technical details

Emphasizing business revenue projections and market impact

Dell Data Science Foundations

Domain 6Objective 2

Describe Best Practices for Building Project Presentations for Specific Audiences DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 1)

Part of the Operationalizing an Analytics Project and Data Visualization Techniques domain, which accounts for 10% of the DATA-SCIENCE-FOUNDATIONS exam.

28questions here

6free pages

5concepts

10%of the exam

Questions 1–5

1foundation · easy
A data scientist is presenting a new churn prediction model to a group of business stakeholders who manage customer retention programs. What is the most important expectation this audience is likely to have?
Select an answer first
2application · medium
A data analyst is designing a slide to present the results of a customer survey. The key finding is that customer satisfaction has improved significantly after a recent service change. The audience is the company's leadership team. Which visual approach best highlights this key insight?
Select an answer first
3expert · hard
A data science team has built a model to predict employee attrition. They must present the findings to the HR director, who wants to know which factors are most actionable for retention programs. The team has limited time and the HR director is not technical. Which narrative approach is most effective?
Select an answer first
4foundation · easy
According to visual design best practices, what is the primary purpose of using a simple and uncluttered chart in a presentation?
Select an answer first
5foundation · easy
When preparing a presentation for a technical team of data scientists and engineers, which approach best tailors the content to this audience?
Select an answer first

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