what is Emily Dickinson apparent attitude about dying?

While I am not sure what you "exactly" mean, I can tell you that Dickinson did not seem particularly frightened of death. In "Because I Could Not Stop for Death" she notes that she is simply picked up by Death - she is not waiting for him, but when she comes, she will join him. In the poem in which she describes the "bustle in the house" after someone has died, she notes that Death is almost natural and she views those around her reacting to death. Her attitude may be closely related to her seeming view of God, one whom she could worship going outside and being close to nature.