Fig. 4.

${\mathrm{\Phi }}_{i[K_{0,1},K_{1,\theta }]}({\mathbf{X}}_n)$, $i=1,2$, ${\mathrm{\Phi }}_{F[K_{0,1},K_{1,\theta }]}({\mathbf{X}}_n)$ and ${\mathrm{\Phi }}_{KL[K_{0,1},K_{1,\theta }]}({\mathbf{X}}_n)$ as functions of $\theta \in [0.75,3]$ for the same 11-point equally spaced design ${\mathbf{X}}_n$ as in Example 1 and $K_{0,\theta }$, $K_{1,\theta }$ given by (8) and (9), respectively