$1$a$.$ Where does the statement $$about $0\mathrm{.}8$ sexually satisfying events$$ come from?

Group of answer choices

It$$s the difference between the $4\mathrm{.}5$ and the $3\mathrm{.}7.$

It$$s the difference between the $4\mathrm{.}5$ and the $2\mathrm{.}8$ and averaged over the two groups.

It$$s the difference between the $3\mathrm{.}5$ and the $2\mathrm{.}7.$

It$$s the result of computing Cohen$$s d for the full data set $($which we don$$t have$).$