T scores have a mean of 50 with a standard deviation of 10. This means a score that falls at 50 or within 10 points above or below 50 is considered average, and typical of the population. The farther away from 50 a score falls, the more atypical it is. Each test tends to use their own classifications and ranges. scores have a mean of 50 with a standard deviation of 10. This means a score that falls at 50 or within 10 points above or below 50 is considered average, and typical of the population. The farther away from 50 a score falls, the more atypical it is. Each test tends to use their own classifications and ranges.
The name Surrey is derived from Suthrige, meaning southern region, and this may originate in its status as the southern portion of the Middle Saxon territory. If it ever existed, the Middle Saxon kingdom had disappeared by the 7th century, and Surrey became a frontier area disputed between the kingdoms of Kent, Essex, Sussex, Wessex and Mercia, until its permanent absorption by Wessex in 825.
Hertfordshire was the area assigned to a fortress constructed at Hertford under the rule of Edward the Elder in 913. Hertford is derived from the Anglo-Saxon heort ford, meaning deer crossing (of a watercourse). The name Hertfordshire is first recorded in the Anglo-Saxon Chronicle in 1011.is martyr's cross of a yellow saltire on a blue background is reflected in the flag and coat of arms of Hertfordshire. The county's landmarks span many centuries, ranging from the six 'Hills' , next to the New Town of Stevenage built by inhabitants during the Roman Britain centuries, to Leavesden Film Studios.