Урок 1. Работа с гипотезами

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/54262f6f-72df-416f-96a0-9baefe1631bc/4.1___.mp4

Урок 2. Ретроспективный анализ

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/6c449940-c096-416a-a19e-1452ab0cd9f2/4.2__.mp4