NS score
Freq
imps NS
imps EW
150
1
5
5
130
120
2
50
3
3
50
0
100
1
140
14
2
170
Mean NS score =
-60
Discussion to follow.
7
7
100
6
6
10
110
200
400
420
880
13
13
-130
980
12
12
500
480
450
4
4
420
400
200
8
8
9
9
300
300
500
620
15
650
790
800
-640
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