Figure 14. The left chart shows epsilon...

Figure 14.

Two scatter charts show epsilon and sigma of theta versus theta over L for different lengths L from 8 metre to 50 metre.

The left chart shows epsilon in the mean of theta percent plotted against theta over L. Points for lengths 8, 10, 20, 30, 40, and 50 metres increase from about 3 percent at 0.025 to about 20 percent at 0.25. Larger lengths correspond to smaller epsilon at low theta over L. The right chart shows the sigma of theta percent versus theta over L. Values increase from about 0.42 to about 0.92 as theta over L increases, with shorter lengths generally giving higher sigma.

The effect of $\frac{θ}{L}$ for case 2, (L is varying and $θ$ ⁠, $C O V_{X}$ are kept constant (⁠ $θ = 2$ ⁠, $C O V_{X} = 20 %$ ⁠)) on (a) $ϵ$ in mean of $θ^{o}$ and (b) $σ$ in mean of $θ^{o}$

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