Table 2.

Descriptive statistics for control brain tissues. F - frontal; T - temporal; P - parietal; O - occipital; Cb - cerebellum. Aluminium content in μg/g dry weight of tissue.

Stat/Lobe	F	T	P	O	Cb
Mean	1.03	1.02	0.95	0.77	0.51
Standard Error	0.26	0.20	0.14	0.15	0.09
Median	0.52	0.59	0.73	0.43	0.42
Mode	0.85	0.20	0.62	0.29	0.05
Standard Deviation	1.64	1.27	0.88	0.92	0.51
Sample Variance	2.71	1.62	0.77	0.84	0.26
Kurtosis	17.44	11.10	12.41	7.81	9.18
Skewness	3.96	3.13	3.01	2.71	2.56
Range	9.27	6.61	5.00	4.31	2.64
Minimum	0.01	0.04	0.09	0.11	0.04
Maximum	9.28	6.65	5.09	4.42	2.68
Sum	40.30	39.78	37.06	30.06	17.96
Count	39	39	39	39	35
Confidence Level (95.0%)	0.53	0.41	0.29	0.30	0.17