noun
deviation value; T-score; standard score
A statistical measure commonly used in Japan for academic rankings, typically scaled to a mean of 50 and standard deviation of 10. Often used to compare school or test performance.
彼の模試の偏差値は70を超えている。
His mock exam deviation score is over 70.
この高校の偏差値はどの
What is the deviation score for this high school?