176 



Prof. Sydney Young on the 



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Mean Ratios. 

 | 1-4534 | 1-8890 | 1-2999 | 1-329 | 1-693 | 1-274 



Ratio of Highest to Lowest Ratio. 

 | 1-030 | 1-040 | 1-015 | 1012 | 1-013 | 1012 | 1-040 | 1-057 | 1063 



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