Q1-4 are obviously not parallel lines, but they’re intended as a warm up of sorts!
These are ideas for practicals to collect data to investigate a correlation hypothesis.
Discussions around understanding that correlation in no way means causation are recommended!
Students take on the role of a house buyer. They are provided with a random house, salary, job and mortgage provider. They have to calculate repayments, monthly salary, affordability, taxes etc. Simple but fun.