Table 6 Result of t -test for the year... | Emerald Publishing

Table 6

Result of t-test for the year 2013

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	2.596	0.118	−3.95	28	0.000	−0.67759	0.17122	−1.02831	−0.32687
DSRI	Equal variances not assumed			−3.49	14.77	0.003	−0.67759	0.19389	−1.09141	−0.26377
GMI	Equal variances assumed	15.598	0.000	−2.91	28	0.007	−0.53949	0.18488	−0.91819	−0.16079
GMI	Equal variances not assumed			−2.41	11.72	0.033	−0.53949	0.22385	−1.02849	−0.05049
AQI	Equal variances assumed	0.182	0.673	2.426	28	0.022	0.01690	0.00697	0.00263	0.03117
AQI	Equal variances not assumed			2.438	24.13	0.023	0.01690	0.00693	0.00259	0.03120
SGI	Equal variances assumed	0.303	0.587	−0.968	28	0.341	−0.04140	0.04276	−0.12899	0.04620
SGI	Equal variances not assumed			−0.950	22.20	0.352	−0.04140	0.04357	−0.13170	0.04891
DI	Equal variances assumed	4.005	0.055	−1.02	28	0.316	−0.30264	0.29628	−0.90955	0.30427
DI	Equal variances not assumed			−0.840	11.55	0.418	−0.30264	0.36036	−1.09116	0.48588
LEVI	Equal variances assumed	0.720	0.403	0.311	28	0.758	0.00149	0.00480	−0.00833	0.01132
LEVI	Equal variances not assumed			0.345	27.62	0.733	0.00149	0.00433	−0.00738	0.01037
SGAI	Equal variances assumed	1.732	0.199	1.031	28	0.311	0.55672	0.54005	−0.54953	1.66297
SGAI	Equal variances not assumed			1.255	18.45	0.225	0.55672	0.44363	−0.37368	1.48711
TATA	Equal variances assumed	0.558	0.461	−2.25	28	0.032	−0.05562	0.02469	−0.10620	−0.00505
TATA	Equal variances not assumed			−2.62	23.82	.015	−0.05562	0.02121	−0.09941	−0.01183

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	2.596	0.118	−3.95	28	0.000	−0.67759	0.17122	−1.02831	−0.32687
DSRI	Equal variances not assumed			−3.49	14.77	0.003	−0.67759	0.19389	−1.09141	−0.26377
GMI	Equal variances assumed	15.598	0.000	−2.91	28	0.007	−0.53949	0.18488	−0.91819	−0.16079
GMI	Equal variances not assumed			−2.41	11.72	0.033	−0.53949	0.22385	−1.02849	−0.05049
AQI	Equal variances assumed	0.182	0.673	2.426	28	0.022	0.01690	0.00697	0.00263	0.03117
AQI	Equal variances not assumed			2.438	24.13	0.023	0.01690	0.00693	0.00259	0.03120
SGI	Equal variances assumed	0.303	0.587	−0.968	28	0.341	−0.04140	0.04276	−0.12899	0.04620
SGI	Equal variances not assumed			−0.950	22.20	0.352	−0.04140	0.04357	−0.13170	0.04891
DI	Equal variances assumed	4.005	0.055	−1.02	28	0.316	−0.30264	0.29628	−0.90955	0.30427
DI	Equal variances not assumed			−0.840	11.55	0.418	−0.30264	0.36036	−1.09116	0.48588
LEVI	Equal variances assumed	0.720	0.403	0.311	28	0.758	0.00149	0.00480	−0.00833	0.01132
LEVI	Equal variances not assumed			0.345	27.62	0.733	0.00149	0.00433	−0.00738	0.01037
SGAI	Equal variances assumed	1.732	0.199	1.031	28	0.311	0.55672	0.54005	−0.54953	1.66297
SGAI	Equal variances not assumed			1.255	18.45	0.225	0.55672	0.44363	−0.37368	1.48711
TATA	Equal variances assumed	0.558	0.461	−2.25	28	0.032	−0.05562	0.02469	−0.10620	−0.00505
TATA	Equal variances not assumed			−2.62	23.82	.015	−0.05562	0.02121	−0.09941	−0.01183