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 |