Table 2 Summary of descriptive...

Table 2

Summary of descriptive statistics of the geotechnical data used for normality testing

Description	Properties	Soil type	Sample size (n)	Average $(\bar{x})$	SD	CoV (%)	Skewness (b₁)	Kurtosis (b₂)
Data set 1	Liquid limit (%)	SM, SC	44	35.1	7.83	22.3	−0.010	−0.613
Data set 2	Plastic limit (%)	SM, SC	39	17.4	2.56	14.7	0.388	0.596
Data set 3	Dry density (mg/m³)	SM, SC	50	1.821	0.14	7.4	0.605	0.896
Data set 4	Moisture content (%)	SM, SC	50	12.1	1.47	12.2	−0.490	0.802
Data set 5	California bearing ratio (%)	SM, SC	35^#	13.3	4.91	37.0	−0.378	−0.613
Data set 6	Fines (%)	SM*	44	14.6	4.28	29.2	0.147	0.141
Data set 7	Dry density (mg/m³)	PA-Bt mixtures	36	1.811	0.11	5.9	0.192	−1.123
Data set 8	Moisture content (%)	PA-Bt mixtures	36	16.5	2.78	16.8	−0.034	−1.454
Data set 9	Unconfined compressive strength (kPa)	PA-Bt mixtures	36	242.5	228.71	94.3	1.954	3.665
Data set 10	Permeability (m/s)	PA-Bt mixtures	36	6.4	1.27E-07	196.8	2.814	8.098

Description	Properties	Soil type	Sample size (n)	Average $(\bar{x})$	SD	CoV (%)	Skewness (b₁)	Kurtosis (b₂)
Data set 1	Liquid limit (%)	SM, SC	44	35.1	7.83	22.3	−0.010	−0.613
Data set 2	Plastic limit (%)	SM, SC	39	17.4	2.56	14.7	0.388	0.596
Data set 3	Dry density (mg/m³)	SM, SC	50	1.821	0.14	7.4	0.605	0.896
Data set 4	Moisture content (%)	SM, SC	50	12.1	1.47	12.2	−0.490	0.802
Data set 5	California bearing ratio (%)	SM, SC	35^#	13.3	4.91	37.0	−0.378	−0.613
Data set 6	Fines (%)	SM*	44	14.6	4.28	29.2	0.147	0.141
Data set 7	Dry density (mg/m³)	PA-Bt mixtures	36	1.811	0.11	5.9	0.192	−1.123
Data set 8	Moisture content (%)	PA-Bt mixtures	36	16.5	2.78	16.8	−0.034	−1.454
Data set 9	Unconfined compressive strength (kPa)	PA-Bt mixtures	36	242.5	228.71	94.3	1.954	3.665
Data set 10	Permeability (m/s)	PA-Bt mixtures	36	6.4	1.27E-07	196.8	2.814	8.098

Note(s):

*Soil-like fraction from legacy was classified as equivalent to SM; PA-Bt. = pond ash-bentonite; ^# Sample size after deducting outlier

Source(s): Table by authors

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