Table 2 Summary statistics of the variables

Mean

3.86e-16

2.75e-15

27.2

56.0531

5.319191

Median

0.027858

0.094470

15.73125

46.0200

4.651426

Maximum

0.293941

1.162529

35

116.0600

14.04712

Minimum

−0.318440

−1.390685

20

6.1900

2.282918

Std. Dev

0.162685

0.589889

4.582576

29.7858

2.207131

Skewness

0.044368

−0.400252

0.0255

0.1953

1.886337

Kurtosis

2.277970

2.980920

0.8232

1.9449

7.464251

Jarque–Bera

2.529202

0.561024

4.9800

2.3734

56.93767

Probability

0.767512

0.755397

0.0831

0.3052

0.00000

Sum

1113.810

520.9000

680.000

2522.390

212.7677

Observations

25

25

25

25

25