concentration (mmol/L)	absorbance									
2.9	0.1225									
5.8	0.2125		b=	0.0548		R Square=	0.99300053			
8.7	0.465		a=	0						
11.6	0.551		r=	0.9965						
14.5	0.842		unknown c=	9.2						
17.4	1.0184									
20.3	1.113									
										
										
										
SUMMARY OUTPUT										
										
Regression Statistics										
Multiple R	0.989911343									
R Square	0.979924467									
Adjusted R Square	0.974905584									
Standard Error	0.055203548									
Observations	6									
										
ANOVA										
	df	SS	MS	F	Significance F					
Regression	1	0.595003481	0.595003481	195.2475159	0.000152158					
Residual	4	0.012189727	0.003047432							
Total	5	0.607193208								
										
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%	"Lower 95,0%"	"Upper 95,0%"		
Intercept	-0.129444762	0.063515504	-2.038002609	0.111195838	-0.305792071	0.046902547	-0.305792071	0.046902547		
2.9	0.063583251	0.004550404	13.97309972	0.000152158	0.050949304	0.076217199	0.050949304	0.076217199		
										
	t = |a|/s =	2.038002609		t (crit)=	2.364624252					
										
	Comparison= 	"2,0380026 < 2,36424"								
	"The calcuated value 2,0380026 is lower than the critical value 2,36424, therefore, the null hypothesis can be confirmed. "									
										
										
										
SUMMARY OUTPUT										
										
Regression Statistics										
Multiple R	0.996494119									
R Square	0.99300053									
Adjusted R Square	0.79300053									
Standard Error	0.070494108									
Observations	6									
										
ANOVA										
	df	SS	MS	F	Significance F					
Regression	1	3.525006713	3.525006713	709.3397606	1.18133E-05					
Residual	5	0.024847097	0.004969419							
Total	6	3.54985381								
										
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%	"Lower 95,0%"	"Upper 95,0%"		
Intercept	0	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A	#N/A		
2.9	0.054912925	0.002061804	26.63343314	1.39518E-06	0.049612888	0.060212961	0.049612888	0.060212961		
										
										
RESIDUAL OUTPUT										
										
Observation	"Predicted 0,1225"	Residuals								
1	0.318494964	-0.105994964								
2	0.477742446	-0.012742446								
3	0.636989928	-0.085989928								
4	0.79623741	0.04576259								
5	0.955484892	0.062915108								
6	1.114732374	-0.001732374