Find the critical value to for the confidence level c = 0.90 and sample size n = 20. 1 Click the icon to view the t-distribution table. (Round to the nearest thousandth as needed.)
Find the critical value to for the confidence level c = 0.90 and sample size n = 20. 1 Click the icon to view the t-distribution table. (Round to the nearest thousandth as needed.)
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 14PPS
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Transcribed Image Text:6. Find the critical value to for the confidence level c = 0.90 and sample size n = 20.
1
Click the icon to view the t-distribution table.
=
1: t-Distribution Table
Level of
confidence, c 0.80
One tail, a
Two tails, a
d.f.
1
(Round to the nearest thousandth as needed.)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
0.99
0.90 0.95
0.05 0.025
0.98
0.10
0.01 0.005
0.20 0.10 0.05 0.02 0.01
3.078 6.314 12.706 31.821 63.657
1.886 2.920 4.303 6.965 9.925
1.638 2.353 3.182 4.541 5.841
1.533 2.132 2.776 3.747 4.604
1.476 2.015 2.571
1.440 1.943 2.447
1.415 1.895 2.365
1.397 1.860 2.306
1.383 1.833 2.262
1.372 1.812 2.228
1.363 1.796 2.201
d.f.
1
2
3
4
3.365 4.032 5
3.143 3.707 6
2.998 3.499 7
2.896 3.355 8
2.821 3.250 9
2.764 3.169 10
2.718
3.106
11
12
1.356 1.782 2.179 2.681
3.055
1.350 1.771
3.012 13
2.977 14
2.947 15
2.160 2.650
1.345 1.761 2.145
2.624
1.341 1.753 2.131 2.602
1.337 1.746 2.120 2.583 2.921 16
1.333 1.740 2.110 2.567 2.898 17
1.330 1.734 2.101 2.552 2.878 18
2.093 2.539 2.861 19
1.325 1.725 2.086 2.528 2.845 20
1.323 1.721 2.080 2.518 2.831
1.328 1.729
Transcribed Image Text:20
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27
28
29
30
31
32
33
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45
50
60
70
80
90
100
500
1000
d.f.
Level of
confidence, c
One tail, a
Two tails, a
1.325 1.725 2.086 2.528 2.845 20
1.323 1.721 2.080 2.518 2.831 21
1.321 1.717 2.074 2.508 2.819
22
1.319 1.714 2.069 2.500 2.807
23
1.318 1.711 2.064 2.492 2.797 24
1.316 1.708 2.060
2.485 2.787 25
1.315
1.706 2.056 2.479 2.779 26
1.314 1.703 2.052 2.473 2.771 27
2.048 2.467
28
1.699 2.045 2.462
2.042 2.457
2.040 2.453
1.313 1.701
2.763
2.756
29
1.311
1.310 1.697
2.750
30
1.309 1.696
2.744
31
1.309 1.694
2.037 2.449
38
1.303 1.684
2.738 32
1.308 1.692 2.035 2.445 2.733 33
1.307 1.691 2.032 2.441 2.728 34
1.306 1.690 2.030 2.438 2.724 35
1.306 1.688 2.028 2.434 2.719 36
1.305 1.687 2.026 2.431 2.715 37
1.304 1.686 2.024 2.429 2.712
1.304 1.685 2.023 2.426 2.708 39
2.021 2.423 2.704 40
2.014 2.412 2.690 45
2.009
2.403 2.678 50
2.390 2.660 60
1.994 2.381 2.648
70
1.292 1.664 1.990 2.374 2.639 80
1.291
1.662 1.987 2.368 2.632 90
1.290 1.660 1.984 2.364 2.626 100
1.283 1.648 1.965 2.334 2.586 500
1.282 1.646
2.581 1000
1.282 1.645
2.576
1.301 1.679
1.299 1.676
1.296 1.671 2.000
1.294 1.667
00
d.f.
1.962 2.330
1.960 2.326
0.80 0.90
0.95 0.98
0.10
0.05
0.025
0.01
0.20
0.10 0.05
0.02
0.99
0.005
0.01
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