Distribution

Sample Size

Method

Simple

Substitution

LOD/2

Complex

Substitution

Random

Imputation

Spearman’s rs

(Jackknife Interval)

Maximum Likelihood

Normal

20

89.8

92.3

88.4

92.3

94.1

Normal

30

89.2

92.2

85.9

93.3

94.4

Normal

50

84.0

89.3

70.3

93.0

94.5

Normal

75

81.2

88.2

58.3

93.1

95.2

Normal

100

78.0

86.1

48.6

92.2

95.0

Normal

200

64.5

78.3

19.5

88.0

94.8

Normal

500

34.3

56.6

0.7

73.3

95.2

Non-Normal

20

89.6

91.8

67.5

92.4

93.3

Non-Normal

30

89.4

91.4

53.8

93.4

93.7

Non-Normal

50

88.0

88.6

31.6

93.7

93.8

Non-Normal

75

87.7

87.0

18.8

93.8

93.8

Non-Normal

100

87.2

85.1

11.2

93.9

93.7

Non-Normal

200

86.0

78.7

1.8

93.7

93.2

Non-Normal

500

82.0

59.7

0.0

90.6

91.7