# Table 1: Z Table

## PROBABILITY VALUES ASSOCIATED WITH Z IN NORMAL DISTRIBUTIONS

(Probability in one direction: reject null hypothesis if value is less than that set for test at the derived Z value. Left-hand column is Z to the first decimal place, top row gives second decimal place.)

Z .00 .01 .02 .03 .04 .05 .06 .07 .08 .09
.0 .5000 .4960 .4920 .4880 .4840 .4801 .4761 .4721 .4681 .4641
.1 .4602 .4562 .4522 .4483 .4443 .4404 .4364 .4325 .4286 .4247
.2 .4207 .4168 .4129 .4090 .4052 .4013 .3974 .3936 .3897 .3859
.3 .3821 .3783 .3745 .3707 .3669 .3632 .3594 .3557 .3520 .3483
.4 .3446 .3409 .3372 .3336 .3300 .3264 .3228 .3192 .3156 .3121
.5 .3085 .3050 .3015 .2981 .2946 .2912 .2877 .2843 2.810 .2776
.6 .2743 .2709 .2676 .2643 .2611 .2578 .2546 .2514 2.483 .2451
.7 .2420 .2389 .2358 .2327 .2296 .2266 .2236 .2206 .2177 .2148
.8 .2119 .2090 .2061 .2033 .2005 .1977 .1949 .1922 .1894 .1867
.9 .1841 .1814 .1788

.1762

.1736

.1711

.1685

.1660

.1635

.1611

1.0 .1587

.1562

.1539

.1515

.1492

.1469

.1446

.1423

.1401

.1379

1.1 .1357

.1335

.1314

.1292

.1271

.1251

.1230

.1210

.1190

.1170

1.2 .1151

.1131

.1112

.1093

.1075

.1056

.1038

.1020

.1003

.0985

1.3 .0968

.0951

.0934

.0918

.0901

.0885

.0869

.0853

.0838

.0823

1.4 .0808

.0793

.0778

.0764

.0749

.0735

.0721

.0708

.0694

.0681

1.5 .0668

.0655

.0643

.0630

.0618

.0606

.0594

.0582

.0571

.0559

1.6 .0548

.0537

.0526

.0516

.0505

.0495

.0485

.0475

.0465

.0455

1.7 .0446

.0436

.0427

.0418

.0409

.0401

.0392

.0384

.0375

.0367

1.8 .0359

.0351

.0344

.0336

.0329

.0322

.0314

.0307

.0301

.0294

1.9 .0287

.0281

.0274

.0268

.0262

.0256

.0250

.0244

.0239

.0233

2.0 .0228

.0222

.0217

.0212

.0207

.0202

.0197

.0192

.0188

.0183

2.1 .0179

.0174

.0170

.0166

.0162

.0158

.0154

.0150

.0146

.0143

2.2 .0139

.0136

.0132

.0129

.0125

.0122

.0119

.0116

.0113

.0110

2.3 .0107

.0104

.0102

.0099

.0096

.0094

.0091

.0089

.0087

.0084

2.4 .0082

.0080

.0078

.0075

.0073

.0071

.0069

.0068

.0066

.0064

2.5 .0062

.0060

.0059

.0057

.0055

.0054

.0052

.0051

.0049

.0048

2.6 .0047

.0045

.0044

.0043

.0041

.0040

.0039

.0038

.0038

.0036

2.7 .0035

.0034

.0033

.0032

.0031

.0030

.0029

.0028

.0027

.0026

2.8 .0026

.0025

.0024

.0023

.0023

.0022

.0021

.0021

.0020

.0019

2.9 .0019

.0018

.0018

.0017

.0016

.0016

.0015

.0015

.0014

.0014

3.0 .0013

.0013

.0013

.0012

.0012

.0011

.0011

.0011

.0010

.0010

3.1 .0010

.0009

.0009

.0009

.0008

.0008

.0008

.0008

.0007

.0007

3.2 .0007
3.3 .0005
3.4 .0003
3.5 .00023
3.6 .00016
3.7 .00011
3.8 .00007
3.9 .00005
4.0 .0003