N. T. CITY SCHOOL REPORT 105 



without an extra year spent. But 11.2% 

 of subnormality does not tell the whole 

 story by any means. The 11.2% is the 

 average percentage of deficiency for each 

 grade. If 11.2% fail in the first grade and 

 11.2% fail out of the second grade, the next 

 year, and in the same manner to the end of 

 the eighth grade, it gives us the full amount 

 of subnormality. The table exhibiting this 

 is instructive. Should we start with a given 

 number of 100 children, for illustration, the 

 result would be, as follows : and would show 

 the percentage of subnormals in each grade, 

 each year. 



*Pages 272, 273, 274, "17th Annual Ee- 

 port, 1915.' 



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