Formulas: 9-5-8

MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures

Last Updated 29 Oct 2026

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Formula 1

To compute the reduced ratio at $x=x_{\mathrm{o}}$ , in the case of quadratic regression, use Equation [ 9.5.8(b)],

x=x_{\mathrm{o}}

\text { Reduced Ratio }=a+b x_{\mathrm{o}}+c x_{\mathrm{o}}^{2}-t_{0.95, n-3} s_{y} \sqrt{Q}

MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures

Last Updated 29 Oct 2026

Hover any section to copy its link or text, ask Copilot about it, or bookmark it.

To compute the reduced ratio at $x=x_{\mathrm{o}}$ , in the case of quadratic regression, use Equation [ 9.5.8(b)],

x=x_{\mathrm{o}}

\text { Reduced Ratio }=a+b x_{\mathrm{o}}+c x_{\mathrm{o}}^{2}-t_{0.95, n-3} s_{y} \sqrt{Q}