B. Find the critical value za that corresponds to the given confidence level.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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%
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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