Point moyen

A2: 2.6
B2: 2.6
C2: 2.4
D2: 1.5
E2: 0.9
F2: 3
G2: 2.7
H2: 2.3
I2: 1.7
J2: 1.9
A3: 220
B3: 280
C3: 250
D3: 170
E3: 150
F3: 340
G3: 310
H3: 210
I3: 180
J3: 190
A: (A2, A3)
B: (B2, B3)
C: (C2, C3)
D: (D2, D3)
E: (E2, E3)
F: (F2, F3)
G: (G2, G3)
H: (H2, H3)
I: (I2, I3)
J: (J2, J3)
l1: {A, B, C, D, E, F, G, H, I, J}
B5 = mean(A2:I2)
C5 = mean(A3:I3)
PointMoyen: (B5, C5)
ResidualPlot({(2.6, 220), (2.6, 280), (2.4, 250), (1.5, 170), (0.9, 150), (3, 340), (2.7, 310), (2.3, 210), (1.7, 180), (1.9, 190)}, FitPoly[{(2.6, 220), (2.6, 280), (2.4, 250), (1.5, 170), (0.9, 150), (3, 340), (2.7, 310), (2.3, 210), (1.7, 180), (1.9, 190)}, 1])