B. Find the critical value za that corresponds to the given confidence level.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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B. Find the critical value za that corresponds to the given confidence level.
2
1. 92%
2. 94%
3. 96%
4. 98%
Transcribed Image Text:B. Find the critical value za that corresponds to the given confidence level. 2 1. 92% 2. 94% 3. 96% 4. 98%
Table of t-Critical Values
Freedom
1.
Degrees of
Area in One Tail
Degrees of
Freedom
0.1
0.05
0.025
0.01
0.005
Area in Two Tails
3.
0.20
0.10
0.05
0.02
0.01
df
1
3.078
6.314
12.706
31.821
63.657
6.
1.886
2.920
4.303
6.965
9.925
3
1.638
2.353
3.182
4.541
5.841
4
1.533
2.132
2.776
3.747
4.604
1.476
2.015
2.571
3.365
4.032
10
6.
1.440
1.943
2.447
3.143
3.707
11
7.
1.415
1.895
2.365
2.998
3.499
12
8.
1.397
1.860
2.306
2.896
3.355
13
6.
1.383
1.833
2.262
2.821
3.250
14
10
1.372
1.812
2.228
2.764
3.169
15
11
1.363
1.796
2.201
2.718
3.106
16
12
1.356
1.782
2.179
2.681
3.055
17
13
1.350
1.771
2.160
2.650
3.012
18
14
1.345
1.761
2.145
2.624
2.977
19
15
1.341
1.753
2.131
2.602
2.947
20
16
1.337
1.746
2.120
2.583
2.921
21
17
1.333
1.740
2.110
2.567
2.898
22
18
1.330
1.734
2.101
2.552
2.878
23
19
1.328
1.729
2.093
2.539
2.861
24
20
1.325
1.725
2.086
2.528
2.845
25
21
1.323
1.721
2.080
2.518
2.831
26
22
1.321
1.717
2.074
2.508
2.819
27
23
1.319
1.714
2.069
2.500
2.807
28
24
1.318
1.711
2.064
2.492
2.797
2
25
1.316
1.708
2.060
2.485
2.787
26
1.315
1.706
2.056
2.479
2.779
27
1.314
1.703
2.052
2.473
2.771
28
1.313
1.701
2.048
2.467
2.763
29
1.311
1.699
2.045
2.462
2.756
30
1.310
1.697
2.042
2.457
2.750
60
1.296
1.671
2.000
2.390
2.660
120
1.289
1.658
1.980
2.358
2.617
GO
1,282
1.645
1.960
2.326
2.576
Transcribed Image Text:Table of t-Critical Values Freedom 1. Degrees of Area in One Tail Degrees of Freedom 0.1 0.05 0.025 0.01 0.005 Area in Two Tails 3. 0.20 0.10 0.05 0.02 0.01 df 1 3.078 6.314 12.706 31.821 63.657 6. 1.886 2.920 4.303 6.965 9.925 3 1.638 2.353 3.182 4.541 5.841 4 1.533 2.132 2.776 3.747 4.604 1.476 2.015 2.571 3.365 4.032 10 6. 1.440 1.943 2.447 3.143 3.707 11 7. 1.415 1.895 2.365 2.998 3.499 12 8. 1.397 1.860 2.306 2.896 3.355 13 6. 1.383 1.833 2.262 2.821 3.250 14 10 1.372 1.812 2.228 2.764 3.169 15 11 1.363 1.796 2.201 2.718 3.106 16 12 1.356 1.782 2.179 2.681 3.055 17 13 1.350 1.771 2.160 2.650 3.012 18 14 1.345 1.761 2.145 2.624 2.977 19 15 1.341 1.753 2.131 2.602 2.947 20 16 1.337 1.746 2.120 2.583 2.921 21 17 1.333 1.740 2.110 2.567 2.898 22 18 1.330 1.734 2.101 2.552 2.878 23 19 1.328 1.729 2.093 2.539 2.861 24 20 1.325 1.725 2.086 2.528 2.845 25 21 1.323 1.721 2.080 2.518 2.831 26 22 1.321 1.717 2.074 2.508 2.819 27 23 1.319 1.714 2.069 2.500 2.807 28 24 1.318 1.711 2.064 2.492 2.797 2 25 1.316 1.708 2.060 2.485 2.787 26 1.315 1.706 2.056 2.479 2.779 27 1.314 1.703 2.052 2.473 2.771 28 1.313 1.701 2.048 2.467 2.763 29 1.311 1.699 2.045 2.462 2.756 30 1.310 1.697 2.042 2.457 2.750 60 1.296 1.671 2.000 2.390 2.660 120 1.289 1.658 1.980 2.358 2.617 GO 1,282 1.645 1.960 2.326 2.576
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