${\overline{X}}_i$ ${\overline{X}}_i-{\overline{X}}_j$

A₁-A_i

A₂-A_i

A₃-A_i

A₄-A_i

A₁ = 9.27

A₂ = 8.97

0.30⁻

A₃ = 8.70

0.57⁻

0.27⁻

A₄ = 8.50

0.77^*

0.47⁻

0.50⁻

A₅ = 8.00

1.27^**

0.97^**

0.70^*

0.50^-