Building simple probability models for data with multiple variables and dependency — IITM BS previous year questions

Building simple probability models for data with multiple variables and dependency is part of Jointly Gaussian Random Variables and Models from Data, Week 5 in Statistics 2. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.