Table 7(a).
Groups | Count | Sum | Average | Variance |
---|---|---|---|---|
arm | 22 | 3.41 | 0.15 | 0.16 |
axial | 8 | 5.35 | 0.67 | 0.28 |
foot | 20 | −2.04 | −0.10 | 0.26 |
hand | 17 | −2.94 | −0.17 | 0.20 |
head position/neck | 11 | 12.0 | 1.09 | 0.28 |
hip | 8 | −1.17 | −0.15 | 0.24 |
jaw/hyoid | 11 | −1.70 | −0.15 | 1.01 |
leg | 25 | −4.35 | −0.17 | 0.11 |
shoulder | 15 | −8.58 | −0.57 | 0.46 |
anova Source of variation | Sum of squares | d.f. | Mean square | F | F critical | P |
---|---|---|---|---|---|---|
Between groups | 24.07 | 8 | 3.01 | 10.34 | 2.01 | < 0.001 |
Within groups | 37.25 | 128 | 0.29 | |||
Total | 61.32 | 136 |