September is a song by American funk band Earth, Wind & Fire, written by Maurice White, Al McKay, and Allee Willis. It was recorded during the I Am sessions and released as a single in 1978. Featured on the band's album The Best of Earth, Wind & Fire, Vol. 1, September reached number one on the US R&B chart, number eight on the Billboard Hot 100, and number three on the UK singles chart.
Note that K is also the symbol for the kelvin (see below) and is often used as a symbol for the karat. Also note that the symbol for the metric prefix kilo- (1000) is actually k-, not K-. Return to the Dictionary Contents page.
Level of measurement or scale of measure is a classification that describes the nature of information within the numbers assigned to variables.he best known classification is that developed by the psychologist Stanley Smith Stevens, who proposed four levels, or scales, of measurement: nominal, ordinal, interval, and ratio.