Find the critical value t, for the confidence level c=0.98 and sample size n =21.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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9:19 PM Sun Apr 4
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Find the critical value t, for the confidence level c= 0.98 and sample size n= 21.
Click the icon to view the t-distribution table.
t = |(Round to the nearest thousandth as needed.)
Transcribed Image Text:9:19 PM Sun Apr 4 A mathxl.com Find the critical value t, for the confidence level c= 0.98 and sample size n= 21. Click the icon to view the t-distribution table. t = |(Round to the nearest thousandth as needed.)
1-Distribution Table
Level of
confidence, c
One tal,
Two tails, a
0.80
0.10
0.20
3.078
1.886
0.90
0.05
0.10
6314
0.95
0.025
0.05
0.98
0.01
0.02
31821
6.965
0.99
0.005
0.01
d.r
dr.
63.657
12.706
4303
3.182
2.776
2.571
1.
2.920
9.925
S341
3.
1638
1533
1.476
1.440
2.353
2.132
2.015
4.541
3.747
4.604
4.
3.365
3.143
2.998
2.896
2.821
4.032
2.447
2.365
2.306
2.262
1.943
1.895
3.707
6.
7.
1.415
3.499
7.
3.355
3.250
1.397
1.860
1383
1.372
1.833
9.
10
2.228
2.201
2.179
1.812
2.764
3.169
10
11
1.796
2.718
2.681
3.106
3.055
3.012
1363
11
12
1.356
1.782
12
13
1350
771ה
2.160
2.650
13
14
1345
1.761
2.145
2.624
2.977
14
15
1.341
1.753
2.131
2.602
2.947
15
16
1.337
1.746
2.120
2.583
2.921
16
2.898
2.878
2.861
2.845
2.831
2.819
2.807
17
1333
1.740
2.110
2567
17
18
1.330
1.734
2.101
2.552
18
2.539
2.528
2518
2.508
19
1.328
1.729
2.093
19
1.725
1.721
20
1.325
2.086
20
21
1.323
2.080
21
22
1.321
1.717
2.074
22
23
1.319 1.714
2.069
2.500
23
24
1.318
1.711
2.064
2.492
2.797
24
2.485
2.479
2.060
2.787
25
1.316
1.315
25
1,708
1.706
1.703
1.701
2.779
26
27
26
2.056
2.052
2.048
2.473
2.771
1.314
1.313
27
2.763
2.756
2.750
2.744
2.467
2.462
28
28
29
1311
1.699
2.045
29
30
1.310
1.697
2.042
2.457
30
2.453
2.449
31
1.309
1.696
2.040
31
2.738
2.733
2.728
32
2.037
2.035
1.309
1.694
32
33
33
34
2.445
answer b
1.308
1.307
1.692
1.691
34
2.032
2,441
2.438
2.724
35
1.690
1.688
35
1.306
2.030
2.434
2.431
2.429
2.426
2.423
36
2.719
2.715
37
2.712
36
1.306
2.028
2.026
1.305
1304
1.304
1303
1301
1.299
1.687
37
38
1.686
2.024
38
2.023
2.708
39
39
40
1.685
1684
2.021
2.704
40
2.690
45
2.014
2.009
2.000
2.412
2.403
2.390
1679
45
50
60
70
1676
2.678
50
2.660
60
1.296
1294
1671
1667
1.994
2.381
2.648
70
Transcribed Image Text:1-Distribution Table Level of confidence, c One tal, Two tails, a 0.80 0.10 0.20 3.078 1.886 0.90 0.05 0.10 6314 0.95 0.025 0.05 0.98 0.01 0.02 31821 6.965 0.99 0.005 0.01 d.r dr. 63.657 12.706 4303 3.182 2.776 2.571 1. 2.920 9.925 S341 3. 1638 1533 1.476 1.440 2.353 2.132 2.015 4.541 3.747 4.604 4. 3.365 3.143 2.998 2.896 2.821 4.032 2.447 2.365 2.306 2.262 1.943 1.895 3.707 6. 7. 1.415 3.499 7. 3.355 3.250 1.397 1.860 1383 1.372 1.833 9. 10 2.228 2.201 2.179 1.812 2.764 3.169 10 11 1.796 2.718 2.681 3.106 3.055 3.012 1363 11 12 1.356 1.782 12 13 1350 771ה 2.160 2.650 13 14 1345 1.761 2.145 2.624 2.977 14 15 1.341 1.753 2.131 2.602 2.947 15 16 1.337 1.746 2.120 2.583 2.921 16 2.898 2.878 2.861 2.845 2.831 2.819 2.807 17 1333 1.740 2.110 2567 17 18 1.330 1.734 2.101 2.552 18 2.539 2.528 2518 2.508 19 1.328 1.729 2.093 19 1.725 1.721 20 1.325 2.086 20 21 1.323 2.080 21 22 1.321 1.717 2.074 22 23 1.319 1.714 2.069 2.500 23 24 1.318 1.711 2.064 2.492 2.797 24 2.485 2.479 2.060 2.787 25 1.316 1.315 25 1,708 1.706 1.703 1.701 2.779 26 27 26 2.056 2.052 2.048 2.473 2.771 1.314 1.313 27 2.763 2.756 2.750 2.744 2.467 2.462 28 28 29 1311 1.699 2.045 29 30 1.310 1.697 2.042 2.457 30 2.453 2.449 31 1.309 1.696 2.040 31 2.738 2.733 2.728 32 2.037 2.035 1.309 1.694 32 33 33 34 2.445 answer b 1.308 1.307 1.692 1.691 34 2.032 2,441 2.438 2.724 35 1.690 1.688 35 1.306 2.030 2.434 2.431 2.429 2.426 2.423 36 2.719 2.715 37 2.712 36 1.306 2.028 2.026 1.305 1304 1.304 1303 1301 1.299 1.687 37 38 1.686 2.024 38 2.023 2.708 39 39 40 1.685 1684 2.021 2.704 40 2.690 45 2.014 2.009 2.000 2.412 2.403 2.390 1679 45 50 60 70 1676 2.678 50 2.660 60 1.296 1294 1671 1667 1.994 2.381 2.648 70
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