Haggerty: Study in Arithmetic 



469 



of only 65. Its composite rank is 15. City 1, ranking sec- 

 ond in medians and sixth in variabilities, here ranks fourteen. 

 Compared with Detroit, Boston, and Courtis general standard, the 

 Indiana city average ranks highest in every grade but eighth, where 



riG. 39 DEPE?<D.\B1L1TY 



PER CENT SERIES B CKADE 6 MULTIPLICATION 



80 



















roN 



rRTi 





IDUA 



o 



0 



^- 



s 





o 





2 



0 11 12 13 14 13 16 17 



riG. 40 DEPENDABILITY ^^^"^1; PER CENT SERIES B GRADE 6 DIVISION 



it ties Detroit for first place. It is always better than Boston or 

 the Courtis general score. Many of the Indiana cities appear to 

 distinct advantage in comparison. 



Taking the four fundamental processes the Avork in addition 

 appears least dependable of all. The work in division is most 

 dependable except in fifth grade. For the three upper grades the 



