A New National Standard on Normality Tests is Being Worked Out
 
                 
                
                    
                                        
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Graphical Abstract
 
                                        
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Abstract
    A new national standard on normality tests, which idt ISO 5479:1997, is being worked out. In this paper, the difference between new standard and original national standard GB/T 4882-85 is analyzed, graphical method, Epps-Pulley test and joint test using several independent samplings of the new standard are presented seperately, and their principles are described.
 
                                        
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