3. Confidence level : 99%, degree of freedom = 0, & = 0, s = 1 4. Confidence level : 99%, degree of freedom = 4, = 10, s = 0.1 5. Confidence level : 99%, degree of freedom = 29, = 0, s = 10
3. Confidence level : 99%, degree of freedom = 0, & = 0, s = 1 4. Confidence level : 99%, degree of freedom = 4, = 10, s = 0.1 5. Confidence level : 99%, degree of freedom = 29, = 0, s = 10
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
please answer question number 4 & 5 only
Transcribed Image Text:t Table
cum. prob
one-tail
two-tails
df
t so
0.50
t35
t 35
t 30
0.20
tas
t90
t975
t g95
0.005 0.001 0.0005
0.01 0.002 0.001
0.25
0.15
0.10
0.05
0.025
0.01
1.00
0.50
0.40
0.30
0.20
0.10
0.05
0.02
1
0.000
1.000
1.376
1.963
3.078
6.314
12.71
31.82
63.66
318.31
636.62
0.000
0.816
1.061
1.386
1.886
2.920
4.303
6.965
9.925
22.327
31.599
0.000
0.765
0.978
1.250
1.638
2.353
3.182
4.541
5.841
10.215
12.924
4
0.000
0.741
0.941
1.190
1.533
2.132
2.776
3.747
4.604
7.173
8.610
0.727
0.718
0.000
0.920
0.906
1.156
1.476
2.015
2.571
3.365
4.032
5.893
6.869
6.
0.000
1.134
1.440
1.943
2.447
3.143
3.707
5.208
5.959
5.408
5.041
0.000
0.711
0.706
3.499
3.355
3.250
0.896
1.119
1.415
1.895
2.365
2.998
4.785
0.000
0.889
1.108
1.397
1.860
2.306
2.896
4.501
9
0.000
0.703
0.883
1.100
1.383
1.833
2.262
2.821
4.297
4.781
4.587
0.000
0.000
10
0.700
1.812
4.144
0.879
0.876
1.093
1.372
2.228
2.764
3.169
11
0.697
1.088
1.363
1.796
2.201
2.718
3.106
4.025
4.437
12
0.000
0.695
0.873
1.083
1.356
1.782
2.179
2.681
3.055
3.930
4.318
13
0.000
0.694
0.870
1.079
1.350
1.771
2.160
2.650
3.012
3.852
4.221
14
0.000
2.145
0.692
0.691
0.868
1.076
1.345
1.761
2.624
2.977
3.787
4.140
15
0.000
0.866
1.074
1.341
1.753
2.131
2.602
2.947
3.733
4.073
4.015
3.965
16
0.000
0.690
0.865
1.071
1.337
1.746
2.120
2.583
2.921
3.686
17
0.000
0.689
0.863
1.069
1.333
1.330
1.740
2.110
2.567
2.898
3.646
18
0.000
0.688
0.862
1.067
1.734
2.101
2.552
2.878
3.610
3.922
19
0.000
0.688
0.861
1.066
1.328
1.729
2.093
2.539
2.861
3.579
3.883
20
0.000
0.687
0.860
1.064
2.086
1.325
1.323
1.725
1.721
2.528
2.845
3.552
3.850
21
0.000
0.686
0.859
1.063
2.080
2.518
2.831
3.527
3.819
3.792
3.768
22
0.000
2.508
2.819
0.686
0.685
0.858
1.061
1.321
1.717
2.074
3.505
23
0.000
0.858
1.060
1.319
1.714
2.069
2.500
2.807
3.485
2.064
2.060
2.797
2.787
2.779
24
0.000
0.685
0.857
1.059
1.318
1.711
2.492
3.467
3.745
25
0.000
0.684
0.856
1.058
1.316
1.708
2.485
3.450
3.725
26
0.000
0.684
0.856
1.058
1.315
1.706
2.056
2.479
3.435
3.707
27
0.000
0.684
0.855
1.057
1.314
1.703
2.052
2.473
2.771
3.421
3.690
28
0.000
0.683
0.855
1.056
1.313
1.701
2.048
2.467
2.763
3.408
3.674
29
0.000
0.683
0.854
1.055
1.311
1.699
2.045
2.462
2.756
3.396
3.659
30
0.000
0.683
0.854
1.055
1.310
1.697
2.042
2.457
2.750
3.385
3.646
40
0.000
0.681
0.851
1.050
1.303
1.684
2.021
2.423
2.704
3.307
3.551
1.045
1.296
1.671
1.664
60
0.000
0.679
0.848
2.000
2.390
2.660
3.232
3.460
80
0.000
0.678
0.846
1.043
1.292
1.990
2.374
2.639
3.195
3.416
100
0.000
0.677
2.364
3.390
0.845
0.842
1.042
1.290
1.660
1.984
2.626
3.174
1000
0.000
0.675
1.037
1.282
1.646
1.962
2.330
2.581
3.098
3.300
0.000
0.674
0.842
1.036
1.282
1.645
1.960
2.326
2.576
3.090
3.291
0%
50%
60%
70%
80%
90%
Confidence Level
99% 99.8% 99.9%
95%
98%
t-table.xls 7/14/2007
Transcribed Image Text:Question. Using t-table.pdf" file, construct confidence intervals
1. Confidence level : 90%, degree of freedom = 10, = 20, s = 3
2. Confidence level : 95%, degree of freedom = 7.5, i =-5, s = 10
3. Confidence level : 99%, degree of freedom = 0, = 0, s = 1
4. Confidence level : 99%, degree of freedom = 4, i = 10, s = 0.1
5. Confidence level : 99%, degree of freedom = 29, = 0, s = 10
1
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