Product Analyst

What statistical criteria do you know? Which ones are used for which metrics?

Tell about yourself and your experience.

A study was conducted that 90% of accidents are committed by sober drivers, and 10% by drunk drivers. Can this mean that sober driving is 9 times more dangerous than drunk driving? Confirm with calculations.

Are you willing to commute daily to the office on Belorusskaya?

Intern

Т-Банк

Tell me about a case with an A/B test: what was the test and what did you do in it?

How would you improve the quality of responses from an AI assistant based on LangFlow, which receives a 3 out of 5 rating from users?

Middle

X5 group

What are message brokers? Have you worked with Kafka? What other brokers do you know?

Middle+

СБЕР

If each value of the sample is multiplied by 5, how will the variance change?

How does the t-test differ from the z-test?

Intern

Яндекс

How are the duration of a test, sample size, and experiment design determined?

What should requirements for a product consist of? What would you include first?

Middle+

СБЕР

Have you ever worked with construction and pledges?

Middle

Совкомбанк

What is HTTP and HTTPS and how do they differ?

Middle+

СБЕР

What is a Type I error (alpha) and a Type II error (beta)?

What tasks in analytics do you like the most, and which ones do you like less? What area of analytics attracts you? Are you interested in A/B testing and hypothesis testing?

Intern

Avito

Two issues have been identified: incomplete data in RAG and poor context transfer in LLM. What to do next?

Middle

X5 group

How does the system with dispatcher feedback and instructions work through RAG?

Are you ready to engage in communication with clients on business cases?

Tell about a Type II error.

Why do you want to change your job?

Middle

Совкомбанк