Data Analyst

What are other ways to solve the problem of finding employees older than the manager? (alternative approaches)

Intern

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SQL: write a query to count the number of subscribers for each blogger (table with bloggers and subscribers).

Intern

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SQL: list employees who are older than their manager (table employees with fields employee_id, department_id, is_chief, birthday).

Intern

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Behavioral question: a manager recommended a model, but it shows poor results. What will you do?

Intern

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Why did customer refunds jump by 50%? What operational risks are possible here?

Intern

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---SEPARATOR---

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Tell about the difficulties and mistakes in the project.

Intern

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How did you handle seasonality and external influences in time series?

Intern

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The monitoring model started flagging normal transactions as suspicious (false positives). What will you do?

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Tell me about yourself: who are you, what do you do, and what are your hobbies?

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Business case: a new project with new transactions has started. How would you set up monitoring for suspicious transactions if you know nothing about this project?

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SQL: list all products with a price higher than the average price in their category (table products with fields product_id, category, price).

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Behavioral question: how do you work with new, unfamiliar information (for example, a large array of articles)?

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Tell us about your projects. Describe your course project — the Bitcoin price predictor.

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