Use the T Table to find the T score that corresponds to

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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Use the T Table to find the T score that corresponds to a sample size of 15 and ​a confidence level of 95% (? = 0.05) for a two-tail distribution. ​(A) ​1.761 ​(B) ​2.131 ​(C) ​2.145 ​(D) ​2.030
2445
6.965
9.925
5.841
4.604
4.032
4.303
3.182
2.776
2.920
1.886
4.541
3.747
3.365
2.353
1.638
1.533
1.476
2.132
2.015
1.943
1.895
1,860
2.571
3.707
2447
1.440
1.415
1.397
9.
3143
7
3.499
2.998
2.365
2896
2.306
2262
8.
3.355
3.250
2.821
1.833
1.383
1.372
3 169
1.812
1.796
1.782
10
3.169
2.764
2228
11
3.106
1767
2.718
2.681
2201
1.363
1.356
12
3.055
2.179
2.160
3.012
13
14
2.650
1.771
1.761
1.753
1.350
1345
2.977
2.624
2.145
15
2.947
2602
2.131
1.341
16
2.921
2.583
2.120
1.746
1.337
1.740
17
2.898
2.567
2.110
177
1.333
18
2.878
2.552
2.101
1.734
1.330
19
1.729
2.861
2.845
2.539
2.093
1.328
20
2,528
2.086
1.725
1.325
21
2.831
2518
2.080
1.721
1.323
2.819
2.508
2.500
22
2.074
1.717
1.321
1.714
2.069
2.064
23
2.807
1.319
1.318
24
2.797
2.492
1.711
2.787
2.779
2.485
2.479
2.060
2.056
25
1.708
1.706
1.316
26
1.315
27
28
2.052
2.048
2.045
2.771
2.473
1.703
1.701
1.699
1.697
1.696
1.314
1.313
2.763
2.467
29
2.756
2.462
2.457
2.453
2449
1.311
1.310
1.309
2.750
2.744
30
2.042
31
2.040
32
2.738
2.733
2.037
1.694
1.692
1.691
1.309
33
2.035
1.308
34
2.728
2.441
2.032
1.307
1.306
1.306
1.305
2479
35
2.724
2438
2.030
1.690
36
2.719
2028
2.434
2.431
2.429
2.426
2.423
1.688
37
2.715
2.026
1.687
38
2.712
2.024
1.304
1.686
1.685
39
40
2.708
2.704
1.304
1.303
2.023
2.021
1.684
TABLE A-3 T Distribution – Criticalt Values
Area in One Tail
99%
95%
0.50
90%
0.10
n-1
a = 0.005
0.01
0.250
Degrees of
Freedom
Area in Two Tails
98%
0.02
99%
a = 0.01
95%
0.05
90%
0.10
80%
0.20
2.690
2.014
45
50
2.412
2.403
2.390
2.381
1.679
1.676
1.301
1.299
2.678
2.009
60
70
2.660
2.648
2.000
1.994
1.671
1.667
1.296
1.294
2.639
1.990
80
90
100
2.374
1.664
1.292
1.291
1.290
1.286
1.284
1.284
2.632
2.368
1.987
1.984
1.662
2.626
2364
1.660
2.601
2.592
1.972
1.653
1.650
200
2.345
300
2.339
1.968
2.588
2.586
1.966
400
500
1000
2000
Large
2.336
1.649
2.334
1.965
1.646
1.648
1.283
1.646
1.646
2.581
1.962
1.282
2.330
2.328
2.326
1.961
1.960
1.282
2.578
2.576
1.645
1.282
NOTE: if n-1 > 40 use the largest value smaller than n- 1
Transcribed Image Text:2445 6.965 9.925 5.841 4.604 4.032 4.303 3.182 2.776 2.920 1.886 4.541 3.747 3.365 2.353 1.638 1.533 1.476 2.132 2.015 1.943 1.895 1,860 2.571 3.707 2447 1.440 1.415 1.397 9. 3143 7 3.499 2.998 2.365 2896 2.306 2262 8. 3.355 3.250 2.821 1.833 1.383 1.372 3 169 1.812 1.796 1.782 10 3.169 2.764 2228 11 3.106 1767 2.718 2.681 2201 1.363 1.356 12 3.055 2.179 2.160 3.012 13 14 2.650 1.771 1.761 1.753 1.350 1345 2.977 2.624 2.145 15 2.947 2602 2.131 1.341 16 2.921 2.583 2.120 1.746 1.337 1.740 17 2.898 2.567 2.110 177 1.333 18 2.878 2.552 2.101 1.734 1.330 19 1.729 2.861 2.845 2.539 2.093 1.328 20 2,528 2.086 1.725 1.325 21 2.831 2518 2.080 1.721 1.323 2.819 2.508 2.500 22 2.074 1.717 1.321 1.714 2.069 2.064 23 2.807 1.319 1.318 24 2.797 2.492 1.711 2.787 2.779 2.485 2.479 2.060 2.056 25 1.708 1.706 1.316 26 1.315 27 28 2.052 2.048 2.045 2.771 2.473 1.703 1.701 1.699 1.697 1.696 1.314 1.313 2.763 2.467 29 2.756 2.462 2.457 2.453 2449 1.311 1.310 1.309 2.750 2.744 30 2.042 31 2.040 32 2.738 2.733 2.037 1.694 1.692 1.691 1.309 33 2.035 1.308 34 2.728 2.441 2.032 1.307 1.306 1.306 1.305 2479 35 2.724 2438 2.030 1.690 36 2.719 2028 2.434 2.431 2.429 2.426 2.423 1.688 37 2.715 2.026 1.687 38 2.712 2.024 1.304 1.686 1.685 39 40 2.708 2.704 1.304 1.303 2.023 2.021 1.684 TABLE A-3 T Distribution – Criticalt Values Area in One Tail 99% 95% 0.50 90% 0.10 n-1 a = 0.005 0.01 0.250 Degrees of Freedom Area in Two Tails 98% 0.02 99% a = 0.01 95% 0.05 90% 0.10 80% 0.20 2.690 2.014 45 50 2.412 2.403 2.390 2.381 1.679 1.676 1.301 1.299 2.678 2.009 60 70 2.660 2.648 2.000 1.994 1.671 1.667 1.296 1.294 2.639 1.990 80 90 100 2.374 1.664 1.292 1.291 1.290 1.286 1.284 1.284 2.632 2.368 1.987 1.984 1.662 2.626 2364 1.660 2.601 2.592 1.972 1.653 1.650 200 2.345 300 2.339 1.968 2.588 2.586 1.966 400 500 1000 2000 Large 2.336 1.649 2.334 1.965 1.646 1.648 1.283 1.646 1.646 2.581 1.962 1.282 2.330 2.328 2.326 1.961 1.960 1.282 2.578 2.576 1.645 1.282 NOTE: if n-1 > 40 use the largest value smaller than n- 1
TABLE A-3 T Distribution – Critical t Values
Area in One Tail
99%
0.01
Area in Two Tails
98%
0.02
95%
0.50
90%
0.10
n-1
a = 0.005
0.250
Degrees of
Freedom
99%
95%
0.05
90%
0.10
80%
0.20
a = 0.01
1
63.657
31.821
6.965
4.541
3.747
3.365
12.706
6.314
2.920
2.353
3.078
4.303
3.182
2
9.925
1.886
1.638
1.533
1.476
3
5.841
4
4.604
2.776
2.132
4.032
3.707
3.499
3.355
2.571
2.015
2447
1.943
1.895
3.143
1.440
1.415
1.945
2.998
2.365
8.
2.896
2.306
1.860
1.397
9
1.833
2262
2228
1.383
1.372
3.250
2.821
2.764
10
3.169
1.812
3.106
3.055
2.718
2.681
2201
2.179
1.796
1.363
1.356
11
12
1.782
2650
2.624
13
3.012
2.160
1.350
2.977
2.947
1.771
1.761
1.753
14
2.145
2.131
1.345
1.341
2.602
2.583
2.567
15
16
2.921
2.120
2.110
1.746
1.337
17
2.898
1.740
1.333
18
2.101
2.878
2.861
2.552
1.734
1.330
2.539
1.754
1.729
1.328
19
2.093
2.845
2 831
20
2.528
2.086
1.725
1721
1.325
1323
21
2.831
2518
2.518
2.080
2.819
1.717
22
23
2.508
2.500
2.492
2.074
1.321
2.807
2 707
2.069
2.064
1.714
1.711
1.319
24
2.797
1.318
1.318
1.708
1715
25
26
2.787
2.485
2.479
2.473
2.467
2.060
1.316
2.779
2.056
1.706
1 715
1.315
27
2.052
2.048
1.703
1.314
1.313
2.771
28
2.763
2.756
1.701
2.045
29
30
2.462
2.457
2453
1.699
1.697
1.311
1.310
1.309
1.309
1.308
2.750
2.042
31
32
33
2.744
2.040
1.696
1.694
2.738
2.449
2.037
L604
1700
2.733
2.445
2.035
1.692
34
2.441
2.728
2.724
2 79
2.032
1.691
1.690
1.307
1.306
1.306
35
2.438
2.030
2.719
2.028
36
37
2.434
1.688
2.715
2.712
2.708
2.704
2.431
2.026
2.024
1.687
1.305
2.429
2.426
2.423
1.304
1.304
1.303
38
1.686
1.685
39
40
2.023
2.021
1.684
TABLE A-3 T Distribution - Critical t Values
Area in One Tail
99%
95%
0.50
90%
n-1
a = 0.005
0.250
0.10
0.01
Area in Two Tails
98%
0.02
Degrees of
Freedom
99%
a = 0.01
2.690
95%
0.05
90%
0.10
1.679
80%
0.20
1.301
1.299
1.296
45
50
60
2.412
2.403
2.390
2.014
2.009
2.678
1.676
2.660
2.648
2.639
2.000
1.671
1.667
70
2.381
1.994
1.990
1.294
80
2.374
1.664
1.292
1.292
1.291
90
2.632
2.626
2.368
1.987
1.984
1.662
100
2.364
1.660
1.290
200
2.345
300
2.601
2.592
1.972
1.968
1.653
1.650
1.286
1.284
2.339
1.649
1.648
400
2.588
2.336
2.334
1.966
1.284
500
1.965
1.283
2.586
2.581
1000
2.330
1.962
1.646
1.282
Transcribed Image Text:TABLE A-3 T Distribution – Critical t Values Area in One Tail 99% 0.01 Area in Two Tails 98% 0.02 95% 0.50 90% 0.10 n-1 a = 0.005 0.250 Degrees of Freedom 99% 95% 0.05 90% 0.10 80% 0.20 a = 0.01 1 63.657 31.821 6.965 4.541 3.747 3.365 12.706 6.314 2.920 2.353 3.078 4.303 3.182 2 9.925 1.886 1.638 1.533 1.476 3 5.841 4 4.604 2.776 2.132 4.032 3.707 3.499 3.355 2.571 2.015 2447 1.943 1.895 3.143 1.440 1.415 1.945 2.998 2.365 8. 2.896 2.306 1.860 1.397 9 1.833 2262 2228 1.383 1.372 3.250 2.821 2.764 10 3.169 1.812 3.106 3.055 2.718 2.681 2201 2.179 1.796 1.363 1.356 11 12 1.782 2650 2.624 13 3.012 2.160 1.350 2.977 2.947 1.771 1.761 1.753 14 2.145 2.131 1.345 1.341 2.602 2.583 2.567 15 16 2.921 2.120 2.110 1.746 1.337 17 2.898 1.740 1.333 18 2.101 2.878 2.861 2.552 1.734 1.330 2.539 1.754 1.729 1.328 19 2.093 2.845 2 831 20 2.528 2.086 1.725 1721 1.325 1323 21 2.831 2518 2.518 2.080 2.819 1.717 22 23 2.508 2.500 2.492 2.074 1.321 2.807 2 707 2.069 2.064 1.714 1.711 1.319 24 2.797 1.318 1.318 1.708 1715 25 26 2.787 2.485 2.479 2.473 2.467 2.060 1.316 2.779 2.056 1.706 1 715 1.315 27 2.052 2.048 1.703 1.314 1.313 2.771 28 2.763 2.756 1.701 2.045 29 30 2.462 2.457 2453 1.699 1.697 1.311 1.310 1.309 1.309 1.308 2.750 2.042 31 32 33 2.744 2.040 1.696 1.694 2.738 2.449 2.037 L604 1700 2.733 2.445 2.035 1.692 34 2.441 2.728 2.724 2 79 2.032 1.691 1.690 1.307 1.306 1.306 35 2.438 2.030 2.719 2.028 36 37 2.434 1.688 2.715 2.712 2.708 2.704 2.431 2.026 2.024 1.687 1.305 2.429 2.426 2.423 1.304 1.304 1.303 38 1.686 1.685 39 40 2.023 2.021 1.684 TABLE A-3 T Distribution - Critical t Values Area in One Tail 99% 95% 0.50 90% n-1 a = 0.005 0.250 0.10 0.01 Area in Two Tails 98% 0.02 Degrees of Freedom 99% a = 0.01 2.690 95% 0.05 90% 0.10 1.679 80% 0.20 1.301 1.299 1.296 45 50 60 2.412 2.403 2.390 2.014 2.009 2.678 1.676 2.660 2.648 2.639 2.000 1.671 1.667 70 2.381 1.994 1.990 1.294 80 2.374 1.664 1.292 1.292 1.291 90 2.632 2.626 2.368 1.987 1.984 1.662 100 2.364 1.660 1.290 200 2.345 300 2.601 2.592 1.972 1.968 1.653 1.650 1.286 1.284 2.339 1.649 1.648 400 2.588 2.336 2.334 1.966 1.284 500 1.965 1.283 2.586 2.581 1000 2.330 1.962 1.646 1.282
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