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)
The revolution time of the Earth can refer to how long it takes to revolve completely on its own axis or it can mean how long it takes to make it one full revolution around the sun. The revolution time on its axis is called a day and the time it takes to circle the sun once is called a year. Here we will examine both.