NORM & STATS
Raw Score
<=5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
>=27
I.Q. Score (sd15)
<130
131
134
135
135
135
139
144
144
147
151
153
155
158
162
164
169
174
178
182
186
191
>=195
​
N 31
Standard deviation 4,52
Mean 12,31
Median 11,8
Range 17,6
Quartile deviation 3,15
Resolution 0,5
Excess Kurtosis - 0,452
Skewness 0,36
Cronbach's alpha 0,79
Split-half 0,82
Quality of norms 0,64
Threshold correlation of tests used for norming 0,43
Sample-independent hardness 0,63
Weighted average of correlations 0,5