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.
The surname Foxwell was first found in Suffolk at Foxhall, (Foxhale) which dates back to at least the Domesday Book where it was listed as Foxehola and was about 15 acres in size located in the Hundred of Carlford. CITATION[CLOSE] Williams, Dr Ann. And G.H. Martin, Eds., Domesday Book A Complete Translation.