Table 7(b).

Pairwise comparisons of the mean residual values for selected regional groups of human muscles (Student's t-test, assuming equal* or unequal† variances according to preceding F-test)

	Head pos/neck	Shoulder	Head pos/neck	Axial	Arm	Axial	Shoulder	Leg
Mean	1.09	−0.57	1.09	0.67	0.15	0.67	−0.57	−0.17
Variance	0.28	0.46	0.28	0.28	0.16	0.28	0.46	0.11
Observations	11	15	11	8	22	8	15	25
Pooled variance	0.38		0.28		0.19
Hypothetical difference	0		0		0		0
d.f.	24		17		28		18
t	6.78*		1.72*		−2.84*		−2.14†
P	< 0.001		0.10 (NS)		< 0.01		< 0.05
t critical	2.06		2.11		2.05		2.10