Mean. The mean of an observation variable is a numerical measure of the central location of the data values. It is the sum of its data values divided by data count. Hence, for a data sample of size n, its sample mean is defined as follows:Similarly, for a data population of size N, the population mean is:ean. The mean of an observation variable is a numerical measure of the central location of the data values. It is the sum of its data values divided by data count. Hence, for a data sample of size n, its sample mean is defined as follows:
Names of territorial origin were common, a man would have had the surname Langford if he was from the village of Langford. An example of this is Osm' de Langeford who was recorded in the Pipe Rolls for Wiltshire in 1130. The name Osm' de Langeford means Osm' from the village of Langford.
Etymology & Historical Origin-Brenton. Brenton is the transferred use of an old English surname derived from a place name (given to a few different medieval villages variously recorded as Brinton, Brington or Bryneton).he name ultimately means âBryniâs homesteadâ from Bryni â an ancient Anglo-Saxon personal name originating from the Olde English word âbryneâ meaning âfire, flameâ â and âtunâ which is Olde English for âfarm, homestead, townâ. Brenton therefore means âfire townâ.