NON- PARAMETRICAL 							
													
													
CHLORIDES	SORTED 		Q-TEST 										
32.56	30.10		0.351428571		Ho: there is no outliers present 								
35.14	32.56				H1: there is outliers present 								
34.10	33.33												
33.33	34.10				ALPHA 	0.05							
37.10	34.45				RANGE 	7.00							
34.45	35.12				Q CRITICAL 	0.526							
35.12	35.14												
30.10	37.10		0.28000		"Since 0.351< 0.526, we accept Ho, there is no outliers present "								
													
													
			N:	8									
			CONFIDENCE INTERVAL 			< 30.10 ; 35.14 >							
													
													
						PARAMETRICAL 							
													
			GRUDDS'S TEST 					Ho: there is no outliers 					
					AVERAGE:	33.99		H1: there is outliers 					
					STAND.D:	2.073911074							
					Tmax:	1.500787589							
					Tmin :	1.874477671							
					CRITICAL VALUE :	2.126							
													
													
					"since 1.874 < 2.126, Ho is accepted, there is no outliers "								
													
			STUDENT'S TEST 										
					MEAN: 	33.99							
					STAND.D:	2.073911074							
					Sx:	0.733238292							
					D.O.F:	7							
					t:	2.364624252							
													
			CONFIDENCE INTERVAL:      <			32.25366695	35.72133305	>					
													
													
													
		Conclusion: the parametrical method is more suitable bacause the results are more accurate for this experiment.