I calculated C I got different answer:
[[14,-13.57],[-13.57,21.86]]
Correct me if I’m wrong.
Hi @tranhd98
Can you share your calculations as well?
In the calculation that shows in the diagram, the y-(mean of y) in the last row is calculated wrong which should be 7.
Hope it helps you.
Thanks so much.
You’re welcome
Hope it helps you further with the problem
For the record, I just filed a bug about the error that you have identified here. Thank you for pointing this out!
No problem