Sten scores have a range 1 to 10, a mean of 5.5 and a standard deviation of 2. Sten scores of 5 or 6 are average, while scores of 4 or 7 are respectively slightly below, or slightly above, average; sometimes termed low-average and high-average. Scores of 8, 9 and 10, can be considered to be high, very high and extremely high respectively, and similarly scores of 1, 2 and 3 can be considered to be extremely low, very low and low.
|tel. 01525 720003
fax. 01525 720004