Quartiles are the values that divide a list of numbers into quarters: 1  Put the list of numbers in order. 2  Then cut the list into four equal parts. 3  The Quartiles are at the cuts.
Revolve (verb) to turn or roll round on, or as on, an axis, like a wheel; to rotate, -- which is the more specific word in this sense. Revolve (verb) to move in a curved path round a center; as, the planets revolve round the sun. Revolve (verb) to pass in cycles; as, the centuries revolve. Revolve (verb) to return; to pass. Revolve (verb)
revise. 1  to amend or alter: to revise one's opinion. 2  to alter something already written or printed, in order to make corrections, improve, or update: to revise a manuscript. 3  British. to review (previously studied materials) in preparation for an examination. 4  an act of revising. 5  a revised form of something; revision.