STUDENT'S T-DISTRIBUTION TEST                                                   
                                                                                
TEST 1: MEAN=X                                                                  
TEST 2: MEAN=MEAN,STANDARD DEVIATION=STANDARD DEVIATION                         
TEST 3: MEAN=MEAN,STANDARD DEVIATION<>STANDARD DEVIATION                        
WHICH HYPOTHESIS? 1                                                             
                                                                                
SAMPLE 1 :                                                                      
   NUMBER OF ELEMENTS? 5                                                        
   ELEMENT 1 ? 6                                                                
   ELEMENT 2 ? 7                                                                
   ELEMENT 3 ? 8                                                                
   ELEMENT 4 ? 9                                                                
   ELEMENT 5 ? 4                                                                
                                                                                
VALUE OF MEAN? 11                                                               
                                                                                
T-VALUE = 12.7872                                                               
DEGREES OF FREEDOM = 4                                                          
