The mean (or average) of a set of data values is the sum of all of the data values divided by the number of data values. That is: The marks of seven students in a mathematics test with a maximum possible mark of 20 are given below: 15 13 18 16 14 17 12. Find the mean of this set of data values.
The name dubplate also refers to an exclusive, 'one-off' acetate disc recording pioneered by reggae sound systems but also used by drum and bass and other electronic music producers, DJs and sound systems.he name dubplate also refers to an exclusive, 'one-off' acetate disc recording pioneered by reggae sound systems but also used by drum and bass and other electronic music producers, DJs and sound systems.
Reggae mainly began in the late 1960's within Jamaica. This style of music is a mixed tradition African and Caribbean music and also American rhythm and blues. Reggae is all about bass guitars, guitars, drums and horn sections. It often has chops and off beats known as skank. They usually have accents on the first and third beat in each bar. Reggae uses the beat and styles of ska and rocksteady. Ska is known as bass guitar being the focal point of the music.