$E_{i}$ &$\sigma_{\varepsilon}^{2} + 2\sigma_{EI}^{2} + 8\sigma_{E}^{2}$\\
$I_{j}$ &$\sigma_{\varepsilon}^{2} + 2\sigma_{EI}^{2} + 8\sigma_{I}^{2}$\\
$EI_{ij}$ &$\sigma_{\varepsilon}^{2} + 2\sigma_{EI}^{2}$\\
$\varepsilon_{k(i j)}$&$\sigma_{\varepsilon}^{2}$\\
