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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