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  Search result  Your search for [author]Walker, Helen Mary, 1891- returned 4 records.  
 
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  Book Statistical inference.

by Walker, Helen Mary, 1891-; New York: Holt, 1953.

Subject: Mathematical statistics; Population -- Statistics.

  
     
Relevance: 29.68%
 
     
  Book The measurement of teaching efficiency _ Teaching efficiency.

by Walker, Helen Mary, 1891-; New York: The Macmillan company, 1935.

Subject: Teachers, Rating of.

  
     
Relevance: 29.49%
 
     
  Book Elementary statistical methods.

by Walker, Helen Mary, 1891-; New York: Holt, Rinehart & Winston, 1958.

Subject: Statistics.

  
     
Relevance: 28.40%
 
     
  Book Mathematics essential for elementary statistics : a self-teaching manual.

by Walker, Helen Mary, 1891-; New York: Holt, Rinehart & Winston, 1951.

  
     
Relevance: 24.19%
 
     
 
         
         
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