B. Find the critical value za that corresponds to the given confidence level.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1CYU
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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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