Statistics

W_L

W_P

I_P

X₂ (mm)

X₄₀₀ (μm)

X_4.75 (mm)

X₈₀ (μm)

I_C

I_L

I_g

Number of observations

293

293

293

293

293

293

293

293

293

293

Number of missing values

0

0

0

0

0

0

0

0

0

0

Sum of weights

293

293

293

293

293

293

293

293

293

293

Minimum

0.000

0.000

0.000

0.000

0.000

0.000

0.000

−8.394

−87.900

0.000

Maximum

57.810

38.460

45.700

100.000

100.000

100.000

100.000

88.900

9.394

45.000

Frequency of minimum

3

4

3

20

20

20

7

1

1

59

Frequency of maximum

1

1

1

55

21

103

1

1

1

1

Range

57.810

38.460

45.700

100.000

100.000

100.000

100.000

97.295

97.295

45.000

1st Quartile

26.570

14.780

9.350

78.991

66.533

95.548

63.352

0.833

−0.617

1.000

Median

32.750

18.600

13.210

98.672

86.862

99.786

75.000

1.214

−0.214

7.000

3rd Quartile

37.755

22.590

16.775

99.846

95.213

100.000

85.368

1.617

0.156

12.000

Sum

9307.781

5480.716

3827.065

24,317.702

22,332.138

26,098.290

20,692.495

487.004

−197.004

2328.000

Mean

31.767

18.706

13.062

82.996

76.219

89.073

70.623

1.662

−0.672

7.945

Variance (n)

82.781

43.334

47.075

834.030

773.649

675.135

432.516

28.661

28.637

48.161

Variance (n − 1)

83.064

43.483

47.236

836.886

776.298

677.447

433.997

28.759

28.735

48.326

Standard deviation (n)

9.098

6.583

6.861

28.880

27.815

25.983

20.797

5.354

5.351

6.940

Standard deviation (n − 1)

9.114

6.594

6.873

28.929

27.862

26.028

20.833

5.363

5.360

6.952

Variation coefficient

0.286

0.352

0.525

0.348

0.365

0.292

0.294

3.221

−7.959

0.873

Skewness (Pearson)

−0.437

−0.127

0.651

−1.831

−1.556

−2.804

−1.430

14.836

−14.850

1.145

Skewness (Fisher)

−0.439

−0.127

0.654

−1.840

−1.564

−2.818

−1.437

14.913

−14.926

1.151

Skewness (Bowley)

−0.105

0.022

−0.040

−0.887

−0.418

−0.904

−0.058

0.027

−0.042

−0.091

Kurtosis (Pearson)

0.773

0.742

1.939

2.223

1.454

6.619

2.057

237.893

238.181

2.615

Kurtosis (Fisher)

0.808

0.776

1.994

2.283

1.500

6.754

2.113

242.023

242.317

2.681

Standard error of the mean

0.532

0.385

0.402

1.690

1.628

1.521

1.217

0.313

0.313

0.406

Lower bound on mean (95%)

30.719

17.947

12.271

79.669

73.015

86.080

68.228

1.046

−1.289

7.146

Upper bound on mean (95%)

32.815

19.464

13.852

86.322

79.422

92.065

73.018

2.279

−0.056

8.745

Standard error of the variance

6.874

3.599

3.909

69.261

64.247

56.066

35.918

2.380

2.378

3.999

Lower bound on variance (95%)

71.080

37.209

40.421

716.147

664.301

579.711

371.384

24.610

24.589

41.354

Upper bound on variance (95%)

98.374

51.497

55.942

991.132

919.378

802.307

513.987

34.059

34.031

57.233