Index
of Difficulty Formula
ID= SUG+SLG
NSUG NSLG
2
1.
10
+ 7 =0.71+0.5
=1.21=0.61
14 14 2 2
2
2.
12 + 7 =0.86+0.5 =1.36=0.68
14 14 2 2
2
3.
6+ 4 =0.43+0.29 =0.72=0.36
14 14 2 2
2
4.
12 + 11 =0.86+0.79 =1.65=0.83
14 14 2
2
2
5.
11 + 7 =0.79+0.5 =1.29=0.65
14 14 2 2
2
6.
11 + 4 =0.79+0.72 =1.51=0.76
14 14 2 2
2
7.
8 + 4 =0.56+0.72 =1.28=0.64
14 14 2 2
2
8.
4 + 3 =0.72+0.21 =0.93=0.46
14 14 2 2
2
9.
10
+ 6 =0.71+0.43
=1.14=0.57
14 14 2 2
2
10.
6 +
1 =0.43+0.07 =0.5=0.25
14 14 2 2
2
11.
14
+ 10 =1+0.71
=1.36=0.86
14 14 2 2
2
12.
4 +
1 =0.29+0.07 =0.36=0.18
14
14 2 2
2
13.
2 +
5 =0.14+0.36 =0.5=0.25
14
14 2 2
2
14.
8 +
6 =0.57+0.43 =1=0.50
14 14 2 2
2
15.
12
+ 7 =0.86+0.5
=1.36=0.68
14
14 2 2
2
16.
6 +
4 =0.43+0.29 =0.72=0.36
14
14 2 2
2
17.
13
+ 9 =0.93+0.64
=1.57=0.79
14
14 2 2
2
18.
5 +
8 =0.36+0.58 =0.94=0.47
14
14 2 2
2
19.
3 +
2 =0.21+0.14 =1.35=0.18
14
14 2 2
2
20.
7 +
1 =0.50+0.07 =1.57=0.29
14
14 2 2
2
21.
4 +
3 =0.29+0.21 =0.50=0.25
14
14 2 2
2
22.
9 +
3 =0.64+0.21 =1.85=0.43
14 14 2 2
2
23.
12
+ 7 =0.86+0.5
=1.36=0.68
14
14 2 2
2
24.
5 +
4 =0.36+0.29 =1.65=0.83
14
14 2 2
2
25.
0 +
2 =0+0.14 =0.14=0.07
14
14 2 2
2
26.
11
+ 7 =0.79+0.50
=1.29=0.65
14
14 2 2
2
27.
8 +
3 =0.57+0.21 =1.78=0.39
14
14 2 2
2
28.
3 +
0 =0.21=0.11
14
14 2
2
29.
10
+ 7 =0.71+0.5
=1.21=0.61
14
14 2 2
2
30.
3 +
0 =0.21=0.11
14
14 2
2
31.
12
+ 5 =0.86+0.36
=1.22=0.61
14
14 2 2
2
32.
2 +
1 =0.14+0.07 =0.21=0.11
14
14 2 2
2
33.
9 +
3 =0.64+0.21 =1.85=0.43
14
14 2 2
2
34.
11
+ 5 =0.79+0.36
=1.15=0.68
14
14 2 2
2
35.
7 +
5 =0.50+0.36 =1.86=0.43
14
14 2 2
2
36.
13
+ 6 =0.93+0.43
=1.36=0.68
14
14 2 2
2
37.
11
+ 4 =0.79+0.29
=1.08=0.54
14
14 2 2
2
38.
9 +
3 =0.64+0.21=0.85=0.43
14
14 2 2
2
39.
9 +
4 =0.64+0.29 =0.93=0.47
14
14 2 2
2
40.
8 +
3 =0.57+0.21 =0.78=0.39
14
14 2 2
2
41.
7 +
2 =0.50+0.14 =0.64=0.32
14
14 2 2
2
42.
6 +
4 =0.43+0.29 =0.72=0.68
14
14 2 2
2
43.
8 +
4 =0.57+0.29 =0.86=0.43
14
14 2 2
2
44.
11
+ 10 =0.79+0.71
=1.50=0.75
14
14 2 2
2
45.
5 +
3 =0.36+0.21 =0.57=0.29
14
14 2 2
2
46.
2 +
2 =0.14+0.14 =0.28=0.14
14
14 2 2
2
47.
3 +
4 =0.21+0.29 =0.50=0.25
14
14 2 2
2
48.
1 +
0 =0.07=0.04
14
14 2
2
49.
8 +
4 =0.57+0.29 =0.86=0.43
14
14 2 2
2
50.
5 +
2 =0.36+0.14 =0.50=0.25
14
14 2 2
2
Index
of discrimination
Formula
ID= SUG-SLG
NSEG
1.
10-7 = 3 = 0.21
14 14
2.
12-7 = 5 = 0.36
14 14
3.
6-4 = 2 = 0.14
14 14
4.
12-11 = 1 = 0.07
14
14
5.
2-6 = -4 = -0.29
14 14
6.
11-4 = 7 = 0.50
14 14
7.
8-4 = 4 = 0.29
14 14
8.
4-3 = 1 = 0.07
14 14
9.
10-6 = 4 = 0.29
14 14
10.
6-1 = 5 = 0.36
14
14
11.
14-10 = 4 = 0.29
14 14
12.
4-1 = 3 = 0.21
14
14
13.
2-5 = -3 = -0.21
14 14
14.
8-6 = 2 = 0.14
14
14
15.
10-3 = 7 = 0.50
14 14
16.
6-4 = 2 = 0.14
14
14
17.
13-9 = 4 = 0.29
14 14
18.
5-8 = -3 = -0.21
14 14
19.
3-2 = 1 = 0.07
14
14
20.
7-1 = 6 = 0.43
14
14
21.
4-3 = 1 = 0.07
14
14
22.
9-3 = 6 = 0.43
14
14
23.
12-7 = 5 = 0.36
14 14
24.
5-4 = 1 = 0.07
14
14
25.
0-2 = -2 = -0.14
14 14
26.
11-7 = 4 = 0.29
14 14
27.
8-3 = 5 = 0.36
14
14
28.
3-0 = 3 = 0.21
14
14
29.
10-7 = 3 = 0.21
14 14
30.
3-0 = 3 = 0.21
14
14
31.
12-5 = 7 = 0.50
14 14
32.
2-1 = 1 = 0.07
14
14
33.
9-3 = 6 = 0.43
14
14
34.
11-5 = 6 = 0.43
14 14
35.
7-5 = 2 = 0.14
14
14
36.
13-6 = 7 = 0.05
14 14
37.
11-4 = 7 = 0.50
14 14
38.
9-3 = 6 = 0.43
14
14
39.
9-4 = 5 = 0.36
14
14
40.
8-3 = 5 = 0.36
14
14
41.
7-2 = 5 = 0.36
14
14
42.
6-4 = 2 = 0.14
14
14
43.
8-4 = 4 = 0.29
14
14
44.
11-10 = 1 = 0.07
14 14
45.
5-3 = 2 = 0.14
14
14
46.
2-2 = 0 = 0
14
14
47.
3-4 =-1 = 0.07
14
14
48.
1-0 = 1 = 0.07
14
14
49.
8-4 = 4 = 0.29
14
14
50.
5-2 = 3 = 0.21
14
14
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