Here are the data :
z = [ 0 1 2 3 4 5 6 15]*2.5+40 [number of holes]+position of first measurement
wW = [2170 2192 2181 2137 2239 2183 2214 2380]/2 wV = [ 2169 2207 2216 2211 2207 2202 2112 2114]/2