Title : 
Statistical methods in quality control VII. Control charts for analysis of variables
         
        
        
        
        
        
        
            Abstract : 
Control charts and their use of analysis to determine possible factors in the process which might need correction are discussed in this article.
         
        
            Keywords : 
Anodes; Electron tubes; Glass; Magnetic heads; Metals; Quality control; Statistical analysis;
         
        
        
            Journal_Title : 
Electrical Engineering
         
        
        
        
        
            DOI : 
10.1109/EE.1945.6441366