Hiệu quả theo quy mô của các ngân hàng thương mại Việt Nam - 27

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

Lower

Upper

ROA Equal variances assumed

Equal variances not assumed

7.175

.008

-1.644

-1.713

268

266.285

.101

.088

-0.1623%

-0.1623%

0.0987%

0.0948%

-0.3567%

-0.3489%

0.0321%

0.0243%

ROE Equal variances assumed

Equal variances not assumed

18.257

.000

5.803

5.569

268

202.977

.000

.000

3.9607%

3.9607%

0.6825%

0.7112%

2.6170%

2.5583%

5.3044%

5.3631%

S Equal

variances assumed

Equal variances not assumed

.046

.830

24.078

24.043

268

250.281

.000

.000

2.0339

2.0339

.0845

.0846

1.8676

1.8673

2.2002

2.2005

CA Equal variances assumed

Equal variances not assumed

72.178

.000

- 10.197

- 11.314

268

187.976

.000

.000

-5.9564%

-5.9564%

0.5841%

0.5265%

-7.1065%

-6.9950%

-4.8063%

-4.9179%

LDR

Equal variances assumed

.610

.435

-1.933

268

.054

- 5.63773%

2.91681%

- 11.38051%

0.10505%

-2.010

266.871

.045

- 5.63773%

2.80475%

- 11.15999%

- 0.11547%

NIM

Equal

variances

.764

.383

.201

268

.841

0.0271%

0.1348%

-0.2383%

0.2924%

assumed

Equal

variances not

.202

257.113

.840

0.0271%

0.1339%

-0.2367%

0.2908%

assumed

DIA

Equal

variances

4.619

.033

1.515

268

.131

0.0915%

0.0604%

-0.0274%

0.2104%

assumed

Equal

variances not

1.560

267.935

.120

0.0915%

0.0586%

-0.0240%

0.2069%

assumed

LPCLR Equal

variances

3.349

.068

3.212

268

.001

0.3052%

0.0950%

0.1181%

0.4924%

assumed

Equal

variances not

3.150

230.406

.002

0.3052%

0.0969%

0.1143%

0.4962%

assumed

OEAR

Equal

variances

.244

.622

.210

268

.834

0.0144%

0.0683%

-0.1202%

0.1489%

assumed

Equal

variances not

.211

255.934

.833

0.0144%

0.0680%

-0.1196%

0.1483%

assumed

Mean Difference

Bootstrapa

Bias

Std. Error

Sig. (2-

tailed)

95% Confidence Interval

Lower

Upper

ROA

Equal variances assumed

-0.1623%

-0.0018%

0.0912%

.077

-0.3506%

0.0052%

Equal variances not assumed

-0.1623%

-0.0018%

0.0912%

.075

-0.3506%

0.0052%

ROE

Equal variances assumed

3.9607%

0.0049%

0.6950%

.001

2.5461%

5.3110%

Equal variances not

assumed

3.9607%

0.0049%

0.6950%

.001

2.5461%

5.3110%

S

Equal variances assumed

2.0339

.0004

.0852

.001

1.8690

2.2000

Equal variances not

assumed

2.0339

.0004

.0852

.001

1.8690

2.2000

CA

Equal variances assumed

-5.9564%

-0.0153%

0.5047%

.001

-6.9560%

-4.9518%

Equal variances not

assumed

-5.9564%

-0.0153%

0.5047%

.001

-6.9560%

-4.9518%

LDR

Equal variances assumed

-5.63773%

0.01717%

2.79133%

.044

-

11.05331%

-

0.25272%

Equal variances not

assumed

-5.63773%

0.01717%

2.79133%

.045

-

11.05331%

-

0.25272%

NIM

Equal variances assumed

0.0271%

0.0012%

0.1331%

.827

-0.2435%

0.2909%

Equal variances not

assumed

0.0271%

0.0012%

0.1331%

.828

-0.2435%

0.2909%

DIA

Equal variances assumed

0.0915%

-0.0024%

0.0575%

.115

-0.0213%

0.2031%

Equal variances not

assumed

0.0915%

-0.0024%

0.0575%

.116

-0.0213%

0.2031%

LPCLR

Equal variances assumed

0.3052%

-0.0022%

0.0952%

.003

0.1093%

0.4864%

Equal variances not

assumed

0.3052%

-0.0022%

0.0952%

.004

0.1093%

0.4864%

OEAR

Equal variances assumed

0.0144%

0.0023%

0.0649%

.815

-0.1076%

0.1441%

Equal variances not assumed

0.0144%

0.0023%

0.0649%

.815

-0.1076%

0.1441%