Find the critical value t(subscript)c for the confidence level c= 0.80 and sample size n = 19

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 33PPS
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Question
Find the critical value t(subscript)c for the confidence level c= 0.80 and sample size n = 19

 

d.f.
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19
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34
Level of
confidence, c 0.80 0.90
0.98
0.10
0.05
0.01
0.10
0.05
0.02
0.01
6.314 12.706 31.821 63.657
4.303 6.965
3.182 4.541
2.776
3.747
4.604
2.571
3.365 4.032
2.447 3.143 3.707
2.365
2.998
3.499
2.306
2.896
3.355 8
2.262
2.821
3.250 9
1.372 1.812 2,228 2.764
3.169 10
1.363 1.796 2.201
1.356 1.782 2.179
1.350 1.771 2.160
2.718 3.106 11
2.681 3.055 12
2.650
3.012
13
1.345 1.761
2.145
2.624
2.977 14
1.341 1.753
2.131 2.602 2.947
15
1.337 1.746 2.120
2.583
2.921
16
1.333 1.740
2.110 2.567
2.898
1.330 1.734
2.101 2.552
2.878
1.328 1.729
2.093
2.539
2.861
1.325 1.725 2.086
2.528 2.845
2.518 2.831
1.321 1.717
2.508
2.819
1.319 1.714
2.500
2.807
1.318 1.711 2.064 2.492
2.797
2.060
2.485
2.787
1.316 1.708
1.315 1.706 2.056 2.479 2.779
1.314 1.703
2.052 2.473 2.771
2.467
1.313 1.701 2.048
2.763
1.311 1.699 2.045
2.462
2.756
1.310 1.697
2.042
2.457
2.750
1.309 1.696
2.453 2.744
1.309 1.694
2.738
2.445 2.733 33
2.441
2.728
34
One tail, a
Two tails, a
0.20
3.078
1.886
1.638
1.533
2.920
2.353
2.132
1.476 2.015
1.440 1.943
1.415 1.895
1.397 1.860
1.383 1.833
0.95
0.025
1.323 1.721 2.080
2.074
2.069
2.040
2.037 2.449
1.308 1.692 2.035
1.307 1.691
2.032
0.99
0.005
d.f.
1
NM 45 or
9.925 2
5.841 3
6
7
17
18
19
20
21
INDON%285
22
23
24
26
27
29
30
31
32
Transcribed Image Text:d.f. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Level of confidence, c 0.80 0.90 0.98 0.10 0.05 0.01 0.10 0.05 0.02 0.01 6.314 12.706 31.821 63.657 4.303 6.965 3.182 4.541 2.776 3.747 4.604 2.571 3.365 4.032 2.447 3.143 3.707 2.365 2.998 3.499 2.306 2.896 3.355 8 2.262 2.821 3.250 9 1.372 1.812 2,228 2.764 3.169 10 1.363 1.796 2.201 1.356 1.782 2.179 1.350 1.771 2.160 2.718 3.106 11 2.681 3.055 12 2.650 3.012 13 1.345 1.761 2.145 2.624 2.977 14 1.341 1.753 2.131 2.602 2.947 15 1.337 1.746 2.120 2.583 2.921 16 1.333 1.740 2.110 2.567 2.898 1.330 1.734 2.101 2.552 2.878 1.328 1.729 2.093 2.539 2.861 1.325 1.725 2.086 2.528 2.845 2.518 2.831 1.321 1.717 2.508 2.819 1.319 1.714 2.500 2.807 1.318 1.711 2.064 2.492 2.797 2.060 2.485 2.787 1.316 1.708 1.315 1.706 2.056 2.479 2.779 1.314 1.703 2.052 2.473 2.771 2.467 1.313 1.701 2.048 2.763 1.311 1.699 2.045 2.462 2.756 1.310 1.697 2.042 2.457 2.750 1.309 1.696 2.453 2.744 1.309 1.694 2.738 2.445 2.733 33 2.441 2.728 34 One tail, a Two tails, a 0.20 3.078 1.886 1.638 1.533 2.920 2.353 2.132 1.476 2.015 1.440 1.943 1.415 1.895 1.397 1.860 1.383 1.833 0.95 0.025 1.323 1.721 2.080 2.074 2.069 2.040 2.037 2.449 1.308 1.692 2.035 1.307 1.691 2.032 0.99 0.005 d.f. 1 NM 45 or 9.925 2 5.841 3 6 7 17 18 19 20 21 INDON%285 22 23 24 26 27 29 30 31 32
35
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60
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100
500
1000
20
d.f.
Level of
confidence, c
One tail, a
Two tails, a
1.306 1.690 2.030 2.438
1.306 1.688 2.028
2.724
35
2.434
2.719 36
1.305 1.687
2.026 2.431
2.715
37
1.304
1.686
2.429 2.712 38
2.024
1.685 2.023 2.426
1.304
2.708
39
1.303 1.684 2.021 2.423 2.704 40
1.301
1.679
2,014
2.412
2.690
45
1.299 1.676
2.009
2.403
2.678 50
1.296 1.671
2.000
2.390
2.660
60
1.294 1.667 1.994 2.381
2.648
70
1.990 2.374
2.639
80
2.368
2.632 90
2.364
2.626
100
2.334 2.586
500
2.330
2.581
1000
2.326 2.576
30
d.f.
1.292 1.664
1.291 1.662 1.987
1,290 1.660 1.984
1.283 1.648 1.965
1.282 1.646 1.962
1.282 1.645
1.960
0.80 0.90
0.10 0.05 0.025
0.20
0.10 0.05
0.95 0.98
0.01
0.02
0.99
0.005
0.01
Transcribed Image Text:35 36 37 38 39 40 45 50 60 70 80 90 100 500 1000 20 d.f. Level of confidence, c One tail, a Two tails, a 1.306 1.690 2.030 2.438 1.306 1.688 2.028 2.724 35 2.434 2.719 36 1.305 1.687 2.026 2.431 2.715 37 1.304 1.686 2.429 2.712 38 2.024 1.685 2.023 2.426 1.304 2.708 39 1.303 1.684 2.021 2.423 2.704 40 1.301 1.679 2,014 2.412 2.690 45 1.299 1.676 2.009 2.403 2.678 50 1.296 1.671 2.000 2.390 2.660 60 1.294 1.667 1.994 2.381 2.648 70 1.990 2.374 2.639 80 2.368 2.632 90 2.364 2.626 100 2.334 2.586 500 2.330 2.581 1000 2.326 2.576 30 d.f. 1.292 1.664 1.291 1.662 1.987 1,290 1.660 1.984 1.283 1.648 1.965 1.282 1.646 1.962 1.282 1.645 1.960 0.80 0.90 0.10 0.05 0.025 0.20 0.10 0.05 0.95 0.98 0.01 0.02 0.99 0.005 0.01
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