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Guidelines_English_Final
تحميل الدليل التدريبي

أسئلة شائعة


The Standard Normal Distribution

 

f-table.doc

Z-table.doc

T-Distribution 

 

 

Percentage Points of the t Distribution; tn , a          

P(T> tn , a)  = a    

 

 

n

a

0.40

0.30

0.20

0.15

0.10

0.05

0.025

0.02

0.015

0.01

0.0075

0.005

0.0025

0.0005

1

0.325

0.727

1.376

1.963

3.078

6.314

12.706

15.895

21.205

31.821

42.434

63.657

127.322

636.590

2

0.289

0.617

1.061

1.386

1.886

2.920

4.303

4.849

5.643

6.965

8.073

9.925

14.089

31.598

3

0.277

0.584

0.978

1.250

1.638

2.353

3.182

3.482

3.896

4.541

5.047

5.841

7.453

12.924

4

0.271

0.569

0.941

1.190

1.533

2.132

2.776

2.999

3.298

3.747

4.088

4.604

5.598

8.610

5

0.267

0.559

0.920

1.156

1.476

2.015

2.571

2.757

3.003

3.365

3.634

4.032

4.773

6.869

6

0.265

0.553

0.906

1.134

1.440

1.943

2.447

2.612

2.829

3.143

3.372

3.707

4.317

5.959

7

0.263

0.549

0.896

1.119

1.415

1.895

2.365

2.517

2.715

2.998

3.203

3.499

4.029

5.408

8

0.262

0.546

0.889

1.108

1.397

1.860

2.306

2.449

2.634

2.896

3.085

3.355

3.833

5.041

9

0.261

0.543

0.883

1.100

1.383

1.833

2.262

2.398

2.574

2.821

2.998

3.250

3.690

4.781

10

0.260

0.542

0.879

1.093

1.372

1.812

2.228

2.359

2.527

2.764

2.932

3.169

3.581

4.587

11

0.260

0.540

0.876

1.088

1.363

1.796

2.201

2.328

2.491

2.718

2.879

3.106

3.497

4.437

12

0.259

0.539

0.873

1.083

1.356

1.782

2.179

2.303

2.461

2.681

2.836

3.055

3.428

4.318

13

0.259

0.538

0.870

1.079

1.350

1.771

2.160

2.282

2.436

2.650

2.801

3.012

3.372

4.221

14

0.258

0.537

0.868

1.076

1.345

1.761

2.145

2.264

2.415

2.624

2.771

2.977

3.326

4.140

15

0.258

0.536

0.866

1.074

1.341

1.753

2.131

2.249

2.397

2.602

2.746

2.947

3.286

4.073

16

0.258

0.535

0.865

1.071

1.337

1.746

2.120

2.235

2.382

2.583

2.724

2.921

3.252

4.015

17

0.257

0.534

0.863

1.069

1.333

1.740

2.110

2.224

2.368

2.567

2.706

2.898

3.222

3.965

18

0.257

0.534

0.862

1.067

1.330

1.734

2.101

2.214

2.356

2.552

2.689

2.878

3.197

3.922

19

0.257

0.533

0.861

1.066

1.328

1.729

2.093

2.205

2.346

2.539

2.674

2.861

3.174

3.883

20

0.257

0.533

0.860

1.064

1.325

1.725

2.086

2.197

2.336

2.528

2.661

2.845

3.153

3.850

21

0.257

0.532

0.859

1.063

1.323

1.721

2.080

2.189

2.328

2.518

2.649

2.831

3.135

3.819

22

0.256

0.532

0.858

1.061

1.321

1.717

2.074

2.183

2.320

2.508

2.639

2.819

3.119

3.792

23

0.256

0.532

0.858

1.060

1.319

1.714

2.069

2.177

2.313

2.500

2.629

2.807

3.104

3.768

24

0.256

0.531

0.857

1.059

1.318

1.711

2.064

2.172

2.307

2.492

2.620

2.797

3.091

3.745

25

0.256

0.531

0.856

1.058

1.316

1.708

2.060

2.167

2.301

2.485

2.612

2.787

3.078

3.725

26

0.256

0.531

0.856

1.058

1.315

1.706

2.056

2.162

2.296

2.479

2.605

2.779

3.067

3.707

27

0.256

0.531

0.855

1.057

1.314

1.703

2.052

2.158

2.291

2.473

2.598

2.771

3.057

3.690

28

0.256

0.530

0.855

1.056

1.313

1.701

2.048

2.154

2.286

2.467

2.592

2.763

3.047

3.674

29

0.256

0.530

0.854

1.055

1.311

1.699

2.045

2.150

2.282

2.462

2.586

2.756

3.038

3.659

30

0.256

0.530

0.854

1.055

1.310

1.697

2.042

2.147

2.278

2.457

2.581

2.750

3.030

3.646

40

0.255

0.529

0.851

1.050

1.303

1.684

2.021

2.123

2.250

2.423

2.542

2.704

2.971

3.551

60

0.254

0.527

0.848

1.045

1.296

1.671

2.000

2.099

2.223

2.390

2.504

2.660

2.915

3.460

120

0.254

0.526

0.845

1.041

1.289

1.658

1.980

2.076

2.196

2.358

2.468

2.617

2.860

3.373

¥

0.253

0.524

0.842

1.036

1.282

1.645

1.960

2.054

2.170

2.326

2.432

2.576

2.807

3.291

 

The Chi-Square Distribution

 

 

                            Percentage Points of the c2 Distribution; c2n , a          

P(c2> c2n , a) = a               

 

a

n

0.001

0.005

0.010

0.025

0.050

0.100

0.250

0.500

0.750

0.900

0.950

0.975

0.990

0.995

0.999

1

10.83

7.88

6.63

5.02

3.84

2.71

1.32

0.45

0.10

0.02

 

 

 

 

 

2

13.82

10.60

9.21

7.38

5.99

4.61

2.77

1.39

0.58

0.21

0.10

0.05

0.02

0.01

 

3

16.27

12.84

11.34

9.35

7.81

6.25

4.11

2.37

1.21

0.58

0.35

0.22

0.11

0.07

0.02

4

18.47

14.86

13.28

11.14

9.49

7.78

5.39

3.36

1.92

1.06

0.71

0.48

0.30

0.21

0.09

5

20.52

16.75

15.09

12.83

11.07

9.24

6.63

4.35

2.67

1.61

1.15

0.83

0.55

0.41

0.21

6

22.46

18.55

16.81

14.45

12.59

10.64

7.84

5.35

3.45

2.20

1.64

1.24

0.87

0.68

0.38

7

24.32

20.28

18.48

16.01

14.07

12.02

9.04

6.35

4.25

2.83

2.17

1.69

1.24

0.99

0.60

8

26.12

21.95

20.09

17.53

15.51

13.36

10.22

7.34

5.07

3.49

2.73

2.18

1.65

1.34

0.86

9

27.88

23.59

21.67

19.02

16.92

14.68

11.39

8.34

5.90

4.17

3.33

2.70

2.09

1.73

1.15

10

29.59

25.19

23.21

20.48

18.31

15.99

12.55

9.34

6.74

4.87

3.94

3.25

2.56

2.16

1.48

11

31.26

26.76

24.72

21.92

19.68

17.28

13.70

10.34

7.58

5.58

4.57

3.82

3.05

2.60

1.83

12

32.91

28.30

26.22

23.34

21.03

18.55

14.85

11.34

8.44

6.30

5.23

4.40

3.57

3.07

2.21

13

34.53

29.82

27.69

24.74

22.36

19.81

15.98

12.34

9.30

7.04

5.89

5.01

4.11

3.57

2.62

14

36.12

31.32

29.14

26.12

23.68

21.06

17.12

13.34

10.17

7.79

6.57

5.63

4.66

4.07

3.04

15

37.70

32.80

30.58

27.49

25.00

22.31

18.25

14.34

11.04

8.55

7.26

6.26

5.23

4.60

3.48

16

39.25

34.27

32.00

28.85

26.30

23.54

19.37

15.34

11.91

9.31

7.96

6.91

5.81

5.14

3.94

17

40.79

35.72

33.41

30.19

27.59

24.77

20.49

16.34

12.79

10.09

8.67

7.56

6.41

5.70

4.42

18

42.31

37.16

34.81

31.53

28.87

25.99

21.60

17.34

13.68

10.86

9.39

8.23

7.01

6.26

4.90

19

43.82

38.58

36.19

32.85

30.14

27.20

22.72

18.34

14.56

11.65

10.12

8.91

7.63

6.84

5.41

20

45.31

40.00

37.57

34.17

31.41

28.41

23.83

19.34

15.45

12.44

10.85

9.59

8.26

7.43

5.92

21

46.80

41.40

38.93

35.48

32.67

29.62

24.93

20.34

16.34

13.24

11.59

10.28

8.90

8.03

6.45

22

48.27

42.80

40.29

36.78

33.92

30.81

26.04

21.34

17.24

14.04

12.34

10.98

9.54

8.64

6.98

23

49.73

44.18

41.64

38.08

35.17

32.01

27.14

22.34

18.14

14.85

13.09

11.69

10.20

9.26

7.53

24

51.18

45.56

42.98

39.36

36.42

33.20

28.24

23.34

19.04

15.66

13.85

12.40

10.86

9.89

8.08

25

52.62

46.93

44.31

40.65

37.65

34.38

29.34

24.34

19.94

16.47

14.61

13.12

11.52

10.52

8.65

30

59.70

53.67

50.89

46.98

43.77

40.26

34.80

29.34

24.48

20.60

18.49

16.79

14.95

13.79

11.59

40

73.40

66.77

63.69

59.34

55.76

51.81

45.62

39.34

33.66

29.05

26.51

24.43

22.16

20.71

17.92

50

86.66

79.49

76.15

71.42

67.50

63.17

56.33

49.33

42.94

37.69

34.76

32.36

29.71

27.99

24.67

60

99.61

91.95

88.38

83.30

79.08

74.40

66.98

59.33

52.29

46.46

43.19

40.48

37.48

35.53

31.74

70

112.32

104.21

100.43

95.02

90.53

85.53

77.58

69.33

61.70

55.33

51.74

48.76

45.44

43.28

39.04

80

124.84

116.32

112.33

106.63

101.88

96.58

88.13

79.33

71.14

64.28

60.39

57.15

53.54

51.17

46.52

90

137.21

128.30

124.12

118.14

113.15

107.57

98.65

89.33

80.62

73.29

69.13

65.65

61.75

59.20

54.16

100

149.45

140.17

135.81

129.56

124.34

118.50

109.14

99.33

90.13

82.36

77.93

74.22

70.06

67.33

61.92

 

 

 

 

 

 
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