7.31																	
	7.4																	
	7.41																	
	7.45																	
	7.45																	
	7.47																	
	7.53																	
	7.54													7.31				
	7.57													7.4				
	7.58													7.41				
	7.65													7.45		"7,31-7,4"	2	
	7.88													7.45		"7,41-7,5"	4	
														7.47		"7,51-7,6"	4	
														7.53		"7,61-7,7"	1	
														7.54				
so outlier is 7.88 and is henced removed.														7.57				
														7.58				
														7.65				
																		
																		
														N=	11			
														mean 	7.487272727			
														sd	0.097271878		s.e.m	0.029328575
																	L1	7.42
														alpha 	0.05		L2	7.55
														T	2.228138852