92 OBSERVATIONS AND MEASUREMENTS ACADEMY MEMBERS lMEU0 \^.xxm 



Table 66. — Fool breadth 



Members of the Academy 



Old Americans 



Not old Americans 



Old Americans 

 at large (lab- 

 oratory series) 



Subjects 



Average 



Minimum 



Maximum 



Range of variation in percentage of the average 

 <r 



cv 



92 



9. 43 ±0. 034 



8. 4 



10.6 



S3. S3 



0. 488 ± 0.024 



5. 17±0. 26 



49 



9. 47 ±0. 044 



8. 6 



10. 5 



20. 06 



0. 460 ±0.031 



4. 87 ±0. 33 



245 



9. 49 



8.2 



11. 1 



30.66 



DISTRIBUTION 



Old Americans (92) 



Not old Americans (49) . 



Percent 

 1. 1 



.5-8.7 8.8-9 9.1-9 



Percent 

 4.3 

 4. 1 



Percent 



14. 1 

 10. 2 



Percent 



23.9 

 22. 5 



9.4-9.6 9.7-! 



Percent 



23.9 



30.6 



Percent 

 18.5 

 18. 4 



10-10.2 10.3-10.6 10.6 



Percent 



8. 7 

 12. 2 



Percent 

 4.4 

 2.0 



Percent 

 1. 1 



FOOT BREADTH AND AQE 



Members of the Academy 



Old Americans 



Not old Americans 



Old Americans 

 at large (lab- 

 oratory series) 



Subjects to 60 years of age, inclusive 



Average 



a 



CV 



Over 60 years of age 



Average 



a 



CV 



55 



9. 47 ±0. 041 



0. 452 ±0. 029 



4. 77 ±0. 31 



37 



9. 37 ±0.054 



0. 487 ±0. 038 



5. 17 ±0. 41 



22 



9. 57 ±0.053 

 0. 366 ±0. 037 



3. 81 ±0.39 



27 



9. 39 ±0. 056 



0. 434 ±0. 040 



4. 63 ±0. 42 



245 

 9. 49 



