Dependence misread

Independence, pairwise vs mutual, or correlation vs dependence.

2 wrong options in the bank

Would you have fallen for these?

Each is a real option from a previous-year paper. Read it cold and decide before opening it.

Option A
$X_{(1)}$ and $X_{(4)}$ are independent.
The analysis of this one comes with the PYQ pack.
Part B · june 2023
Option D
$2 χ_{4}^{2}$
The analysis of this one comes with the PYQ pack.
Part B · june 2023

2 more of these are in the PYQ pack

Every wrong option in the paper, analysed. Not a worked solution repeated four times — the specific mistake behind each distractor.