Table 2 Result of t -test for the year... | Emerald Publishing

Table 2

Result of t-test for the year 2009

Independent sample test
		Levene's test for equality of variances		t-test for equality of means
		F	Sig.	t	df	Sig. (2-tailed)	Mean difference	Std. error difference	95% confidence interval of the difference
		F	Sig.	t	df	Sig. (2-tailed)	Mean difference	Std. error difference	Lower	Upper
DSRI	Equal variances assumed	9.159	0.005	−3.339	28	0.037	−0.17701	0.52154	−1.24533	0.89132
DSRI	Equal variances not assumed			−2.431	22.36	0.027	−0.17701	0.41047	−1.02746	0.67345
GMI	Equal variances assumed	0.144	0.707	−0.780	28	0.442	−0.07188	0.09210	−0.26055	0.11679
GMI	Equal variances not assumed			−0.802	22.81	0.431	−0.07188	0.08960	−0.25732	0.11356
AQI	Equal variances assumed	2.034	0.165	−0.699	28	0.490	−0.07317	0.10465	−0.28754	0.14120
AQI	Equal variances not assumed			−0.923	18.29	0.368	−0.07317	0.07926	−0.23949	0.09315
SGI	Equal variances assumed	2.090	0.159	−0.434	28	0.667	−0.01619	0.03725	−0.09250	0.06012
SGI	Equal variances not assumed			−0.489	27.66	0.629	−0.01619	0.03312	−0.08406	0.05169
DI	Equal variances assumed	2.222	0.147	0.776	28	0.444	1.24883	1.60843	−2.04588	4.54354
DI	Equal variances not assumed			1.027	18.09	0.318	1.24883	1.21580	−1.30453	3.80219
LEVI	Equal variances assumed	1.888	0.180	1.156	28	0.258	0.01784	0.01543	−0.01378	0.04945
LEVI	Equal variances not assumed			1.459	23.05	0.158	0.01784	0.01223	−0.00746	0.04314
SGAI	Equal variances assumed	0.166	0.686	−0.769	28	0.448	−0.03180	0.04135	−0.11650	0.05291
SGAI	Equal variances not assumed			−0.760	20.27	0.456	−0.03180	0.04184	−0.11900	0.05540
TATA	Equal variances assumed	0.005	0.945	−0.958	28	0.346	−0.03137	0.03275	−0.09846	0.03573
TATA	Equal variances not assumed			−1.06	27.24	0.297	−0.03137	0.02949	−0.09185	0.02911

Independent sample test
		Levene's test for equality of variances		t-test for equality of means
		F	Sig.	t	df	Sig. (2-tailed)	Mean difference	Std. error difference	95% confidence interval of the difference
		F	Sig.	t	df	Sig. (2-tailed)	Mean difference	Std. error difference	Lower	Upper
DSRI	Equal variances assumed	9.159	0.005	−3.339	28	0.037	−0.17701	0.52154	−1.24533	0.89132
DSRI	Equal variances not assumed			−2.431	22.36	0.027	−0.17701	0.41047	−1.02746	0.67345
GMI	Equal variances assumed	0.144	0.707	−0.780	28	0.442	−0.07188	0.09210	−0.26055	0.11679
GMI	Equal variances not assumed			−0.802	22.81	0.431	−0.07188	0.08960	−0.25732	0.11356
AQI	Equal variances assumed	2.034	0.165	−0.699	28	0.490	−0.07317	0.10465	−0.28754	0.14120
AQI	Equal variances not assumed			−0.923	18.29	0.368	−0.07317	0.07926	−0.23949	0.09315
SGI	Equal variances assumed	2.090	0.159	−0.434	28	0.667	−0.01619	0.03725	−0.09250	0.06012
SGI	Equal variances not assumed			−0.489	27.66	0.629	−0.01619	0.03312	−0.08406	0.05169
DI	Equal variances assumed	2.222	0.147	0.776	28	0.444	1.24883	1.60843	−2.04588	4.54354
DI	Equal variances not assumed			1.027	18.09	0.318	1.24883	1.21580	−1.30453	3.80219
LEVI	Equal variances assumed	1.888	0.180	1.156	28	0.258	0.01784	0.01543	−0.01378	0.04945
LEVI	Equal variances not assumed			1.459	23.05	0.158	0.01784	0.01223	−0.00746	0.04314
SGAI	Equal variances assumed	0.166	0.686	−0.769	28	0.448	−0.03180	0.04135	−0.11650	0.05291
SGAI	Equal variances not assumed			−0.760	20.27	0.456	−0.03180	0.04184	−0.11900	0.05540
TATA	Equal variances assumed	0.005	0.945	−0.958	28	0.346	−0.03137	0.03275	−0.09846	0.03573
TATA	Equal variances not assumed			−1.06	27.24	0.297	−0.03137	0.02949	−0.09185	0.02911