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Table 2 General statistic values from 200 measurements on the 132 bronze objects

From: Rings or daggers, axes or fibulae have a different composition? A multivariate study on Central Italy bronzes from eneolithic to early iron age

general statistic, all Cu% Sn% Pb% Fe% Zn% Sb% Ag% As%
smallest value 45.50 0 0 0 0 0 0 0
largest value 99.90 17.70 7.60 49.90 9.20 0.80 0.70 0.60
average (arithmetric mean) 88.32 8.80 1.60 0.93 0.13 0.12 0.10 0.01
sample population variance 38.17 12.33 2.14 26.99 0.56 0.03 0.01 0
sample standard deviation 6.18 3.51 1.46 5.20 0.75 0.18 0.12 0.07
harmonic mean 87.71 n.a. n.a. n.a. n.a. n.a. n.a. n.a.
geometric mean 88.05 n.a. n.a. n.a. n.a. n.a. n.a. n.a.
most frequently occurring value 91.20 7.30 0 0 0 0 0 0
sample kurtosis 19.43 −0.21 3.06 75.50 115.96 5.61 4.27 48.42
sample skewness −3.15 0.02 1.57 8.48 10.26 2.34 1.77 6.90
standard error of the sample mean 0.44 0.25 0.10 0.37 0.05 0.01 0.01 0
95% magnitude of the confidence interval 0.86 0.49 0.20 0.72 0.10 0.03 0.02 0.01
diff% avg/mediane −0.89 1.73 18.67 100.00 100.00 19.35 −2.56 100.00
median value in list 89.10 8.65 1.3 0 0 0.1 0.1 0
sample percentile, value at 5% 80.40 3.30 0 0 0 0 0 0
sample percentile, value at 95% 95.81 14.81 4.51 1.20 0.60 0.60 0.30 0
90 percentile difference (see two above cells) 15.41 11.51 4.51 1.20 0.6 0.60 0.30 0
interquartile difference (3^-1^) 5.33 4.83 1.70 0.40 0 0.20 0.10 0
outliers ? (using lower limit = avg- 3×std.dev) 69.78 −1.73 −2.79 14.66 −212 −0.42 −0.26 −0.20
outliers ? (using lower limit = avg + 3×std.dev) 106.85 19.34 5.98 16.52 2.37 0.67 0.46 0.22
outliers ? (2.5% percentile) 78.57 2.49 0 0 0 0 0 0
outliers ? (95.5% percentile) 96.72 15.4 5.61 2.03 0.9 0.8 0.4 0
NUM. OF ZEROS 0 3 25 105 177 87 87 195
counts measures (n. objects) 200 200 200 200 200 200 200 200