NS score
Freq
imps NS
imps EW
200
1
4
-4
140
2
-2
100
9
-1
50
10
0
-70
-90
3
-120
-5
5
Mean NS score =
60
Discussion to follow.
400
8
-8
120
110
-50
-3
-100
70
650
620
22
460
6
-6
430
420
170
-7
7
210
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