Consider the following sample from a distribution that contains a continuous X and label Y that is
either A or B:

Which is the best choice of cut points for X if you want to discretize these values into three buckets
that minimizes the sum of chi-square values?

A.
X5 and X8

B.
X4 and X6

C.
X3 and X8

D.
X3 and X6

E.
X2 and X9