Draw the best-fit great circle that intersects these points, and the pole to this great circle. This pole gives the amount and direction of plunge for this fold. What is this value?

Plot the poles to bedding of the following dip and strike data collected across a fold.
4
72SE/228 56SE/238 365/270 325/293 35SW/340 46W/003 62W/018 79NW/030
Draw the best-fit great circle that intersects these points, and the pole to this great circle. This pole gives the amount and direction of plunge for this fold. What is this value?