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Crucial Exams

CompTIA Data+ DA0-002 (V2) Practice Question

Brianna, a data analyst at an e-commerce company, must present the results of a new customer-churn model to two audiences on the same day. The first audience is the Vice President of Customer Success, who will decide whether to fund a retention campaign; the second audience is the data-engineering team that will operationalize the model. Based on user-persona type, which communication approach should Brianna use when briefing the Vice President?

  • Share the raw training data and Python notebooks in a shared repository and schedule a hands-on working session to review the code line by line.

  • Email a CSV containing every customer's predicted churn probability and ask the Vice President to choose which customers to target.

  • Walk through each feature-engineering step, hyper-parameter tuning results and the full confusion matrix, emphasizing data-quality caveats.

  • Open with a one-page executive summary that highlights projected revenue at risk and the expected ROI of a retention campaign, show one clear visualization, and keep detailed model information in backup slides.

CompTIA Data+ DA0-002 (V2)
Data Analysis
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