Assuming that all stations are occupied and all lines are observed in both directions, compute the strength of figure factor for a hexagon with interior station and one diagonal.
0.63
0.56
0.68
0.70
\[
c = (n’ – S’ + 1) + (n – 2s + 3)
\]
\[
c = (13 – 7 + 1) + [13 – 2(7) + 3]
\]
\[
c = (13 – 7 + 1) + (13 – 14 + 3)
\]
\[
c = 9
\]
\[
F = \frac{D – c}{D}
\]
\[
F = \frac{24 – 9}{24}
\]
\[
F = 0.63 \leftarrow \text{answer}
\]