question_answer

An eleven-year-old child's score on Stanford- Binet Intelligence Scale is 130. By assuming m = 100 and s = 15 in a normal probability curve, calculate the percentage of 11-year-old children this child has scored better than.    [CTET-Feb.-2014-II]

A) 98%          

B) 88%

C) 78%                   

D) 80%

Correct Answer: A

Solution :

IQ=130  Assuming u = 100   a =13 Normal curve and the Stanford Binet 1 Q scores