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 music originated in Jamaica during the late 1960â²s. Many people think that Reggae is one music that describes every sound that comes out of Jamaica but their wrong.The reggae beat and style that originated after the development of Ska and Rock-steady.eggae music originated in Jamaica during the late 1960â²s. Many people think that Reggae is one music that describes every sound that comes out of Jamaica but their wrong.