Group

Oil and Gas Foreign Market

Oil and Gas Egyptian Market

Sample

Mean

Standard Deviation

Variance (V1, V2)

n

Degree of Freedom

Critical Value

(4 3 3 2 4 1 4 4 3 2 2 2 4 2 3)

X1 = 2.8667

S1 = 0.9904

V1 = 0.9809

15

28

2.048

(1 2 3 2 1 2 1 2 1 1 1 2 1 1 4)

X2 = 1.6667

S2 = 0.8997

V2 = 0.8095