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Specimen Number
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Mean
Age (years)
22
41
32
33
25
31
33
47
34
26
41
32
25
32
29
48
30
31
22
51
33.25
Inter-Sutural Distance (mm)
96.72
96.43
103.37
98.49
96.45
102.23
111.36
113.43
97.84
97.36
100.86
91.15
103.60
103.02
102.89
101.90
108.47
101.50
98.52
105.54
101.5565
Table 1. Stereopsis parameters of interest, with mean for each parameter.
Nasal Bridge (mm)
22.91
22.53
22.23
24.94
22.85
25.63
26.45
26.06
24.87
22.19
28.48
22.51
29.11
27.20
27.08
26.90
25.98
25.96
21.90
28.06
25.192
Statistical Parameters
Sample size *
Mean
Median
Mode
Lowest value
Highest value
Range
Interquartile range
First quartile
Third quartile
Variance (s2)
Standard deviation (s)
Quartile deviation
Mean absolute deviation (MAD)
99%
95%
Confidence Interval (CI)
90%
Inter-Sutural Distance (x)
Width of Nasal Bridge (y)
20
20
101.5565
25.192
101.7
25.795
None
None
91.15
21.90
113.43
29.11
22.28
7.21
6.0625
4.425
97.48
22.61
103.5425
27.035
28.804687105266
5.3895431578948
5.366999823483
2.3215389632515
3.03125
2.2125
4.0245
1.9798
98.12261 to 104.98939
23.70686 to 26.67714
99.04417 to 104.06783
24.10549 to 26.27851
99.48088 to 103.63112
24.29439 to 26.08961
Sample size: 20
Correlation coefficient (r): 0.57139057846809
Statistical Correlation
The P-Value is 0.008507. The result is significant at p < 0.05
Sample size: 20
Mean x (x̄): 101.5565
Mean y (ȳ): 25.192
Linear Regression
Intercept (a): 0.091336809666306
Slope (b): 0.24715959284077
* Adults of unidentified gender, from the Arabic Middle-Eastern ethnicity in Iraq.
Table 2. Statistical analysis of deterministic parameters of stereoscopic vision (stereopsis).
Figure 1. Left-lateral view of the Human skull, the Zygomatico-frontal suture is located between the frontal
process of zygomatic bone, and the zygomatic process of frontal bone. The Nasion marks is an anatomical
point, that marks the site of articulation between the frontal bone and the two nasal bones [13].
Figure 2. Scattered Plot, of inter-sutural distance versus the width of nasal bridge.
Figure 3. Graphical presentation of Linear Regression, for inter-sutural distance (x coordinate) versus the
width of nasal bridge (y coordinate), the Slope value is 0.247
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