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                 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

Standard deviation

Mean

Median

Range

Quartile deviation

Resolution
Excess Kurtosis
Skewness

 

 

Cronbach's alpha

Split-half

 

 

 

Quality of norms

Threshold correlation of tests used for norming

Sample-independent hardness
Weighted average of correlations

Conservatively estimated minimum g loading

31

4,52

12,31

11,8

17,6

3,15

0,5

-0,452
0,36

 

 

0,79

0,82

 

 

 

0,64
0,43
0,63
0,5
0,7

​

Note:
27 items have been completely solved,   
3 items have been partially solved.
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