Not a poker expert by far, but this could be because 2/3 can only participate in three straight draws (A2345,23456,34567) whereas 2/7 can be in seven straight hands. (A2345, 23456, 34567, 45678, 56789, 6789T, 789TJ)
The reason is entirely high-card strength vs all the hands including cards less than 7, like 65, 64, etc.
EDIT: And the value of pairing the 7 vs pairing the 3, again where high card strength matters--6X pairing the 6 won't matter as often.
Given there's only two hands, they are somewhat likely to showdown unimproved, not making a pair or better. If you analyzed ten handed tables, 2-7 fares the worst.
mod|11 years ago
The reason is entirely high-card strength vs all the hands including cards less than 7, like 65, 64, etc.
EDIT: And the value of pairing the 7 vs pairing the 3, again where high card strength matters--6X pairing the 6 won't matter as often.
Given there's only two hands, they are somewhat likely to showdown unimproved, not making a pair or better. If you analyzed ten handed tables, 2-7 fares the worst.
swang|11 years ago