(a) Find the t-value such that the area in the right tail is 0.20 with 26 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.01 with 20 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.025 with 8 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 96% confidence. Assume 8 degrees of freedom. (Round to three decimal places as needed.)
(a) Find the t-value such that the area in the right tail is 0.20 with 26 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.01 with 20 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.025 with 8 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 96% confidence. Assume 8 degrees of freedom. (Round to three decimal places as needed.)
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
27
![Determine the t-value in each of the cases.
Click the icon to view the table of areas under the t-distribution.
.....
(a) Find the t-value such that the area in the right tail is 0.20 with 26 degrees of freedom.
(Round to three decimal places as needed.)
(b) Find the t-value such that the area in the right tail is 0.01 with 20 degrees of freedom.
(Round to three decimal places as needed.)
(c) Find the t-value such that the area left of the t-value is 0.025 with 8 degrees of freedom. [Hint: Use symmetry.]
(Round to three decimal places as needed.)
(d) Find the critical t-value that corresponds to 96% confidence. Assume 8 degrees of freedom.
(Round to three decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7491721-f2ff-4eae-9506-2f7642f4331a%2F0b1ef7d2-53ab-4818-8e7a-6a228966fd66%2F23wqwge_processed.png&w=3840&q=75)
Transcribed Image Text:Determine the t-value in each of the cases.
Click the icon to view the table of areas under the t-distribution.
.....
(a) Find the t-value such that the area in the right tail is 0.20 with 26 degrees of freedom.
(Round to three decimal places as needed.)
(b) Find the t-value such that the area in the right tail is 0.01 with 20 degrees of freedom.
(Round to three decimal places as needed.)
(c) Find the t-value such that the area left of the t-value is 0.025 with 8 degrees of freedom. [Hint: Use symmetry.]
(Round to three decimal places as needed.)
(d) Find the critical t-value that corresponds to 96% confidence. Assume 8 degrees of freedom.
(Round to three decimal places as needed.)
Transcribed Image Text:Area in
right tail
Table VI
t-Distribution
Area in Right Tail
df
0.25
0.20
0.15
0.10
0.05
0.025
0.02
0.01
0.005
0.0025
0.001
0.0005
1.963
1.386
1.250
1.190
1.156
3.078
1.886
31.821
1.376
1.061
0.978
0.941
0.920
127.321
14.089
7.453
5.598
4.773
6.314
2.920
63.657
9.925
5.841
4.604
4.032
636.619
31.599
12.924
8.610
6.869
1
1.000
12.706
4.303
3.182
15.894
4.849
3.482
2.999
2.757
318.309
22.327
10.215
7.173
2
0.816
6.965
0.765
0.741
5
2.353
2.132
2.015
3
1.638
1.533
1.476
2.776
2.571
4.541
3.747
0.727
3.365
5.893
1.134
1.119
1.108
1.100
1.093
1.943
1.895
1.860
2.447
2.365
2.306
2.262
2.228
2.612
2.517
2.449
2.398
2.359
5.208
4.785
4.501
4.297
4.144
3.143
3.707
3.499
3.355
3.250
3.169
5.959
5.408
5.041
4.781
6
0.718
0.711
8
0.906
1.440
0.896
0.889
0.883
0.879
1.415
1.397
1.383
1.372
2.998
2.896
2.821
2.764
4.317
4.029
3.833
3.690
3.581
7
0.706
0.703
0.700
1.833
1.812
9
10
4.587
1.088
1.083
1.079
1.076
1.074
2.201
2.179
2.160
2.145
2.131
11
12
1.363
1.356
0.697
0.876
1.796
1.782
2.328
2.303
2.282
2.264
2.249
2.718
3.106
3.055
3.012
2.977
2.947
3.497
4.025
3.930
4.437
0.695
0.694
0.692
0.691
0.873
0.870
0.868
0.866
1.350
1.345
1.341
2.681
2.650
2.624
2.602
3.428
3.372
3.326
3.286
4.318
4.221
4.140
4.073
1.771
1.761
3.852
3.787
3.733
13
14
15
1.753
2.921
2.898
2.878
0.690
16
17
18
0.865
0.863
0.862
0.861
0.860
1.071
1.069
1.067
1.066
1.064
2.120
2.110
2.101
2.235
2.224
2.214
2.205
2.197
3.252
3.222
3.197
3.174
3.153
3.686
3.646
3.610
1.337
1.746
2.583
2.567
2.552
2.539
2.528
4.015
0.689
0.688
0.688
0.687
1.333
1.330
1.328
1.325
1.740
1.734
1.729
1.725
3.965
3.922
3.883
3.850
2.861
2.845
3.579
3.552
19
2.093
20
2.086
0.859
0.858
1.323
1.321
1.319
1.318
1.721
1.717
1.714
2.080
2.074
2.069
2.064
2.060
2.189
2.183
2.177
2.831
2.819
2.807
3.135
3.119
3.104
3.527
3.505
3.485
3.467
3.450
3.819
3.792
21
0.686
1.063
2.518
22
0.686
1.061
2.508
23
24
0.685
0.685
0.684
0.858
0.857
0.856
3.768
3.745
3.725
1.060
2.500
1.059
1.058 1.316 1.708
2.172
2.167
2.797
2.787
3.091
3.078
1.711
2.492
25
2.485
0.684
0.684
0.856
0.855
2.056
2.162
2.158
3.067
3.707
3.690
3.674
3.659
3.646
26
1.706
1.703
0.855 1.056 1.313 1.701
1.055 1.311 1.699
1.697
1.058 1.315
2.479
2.779
2.473
2.467
2.462
2.771
2.763
2.756
2.750
3.435
3.421
3.408
3.396
27
1.057 1.314
28
29
30
2.052
2.048
2.045
2.042
2.154
2.150
2.147
3.057
3.047
3.038
3.030
0.683
0.683
0.854
0.854
0.683
1.055
1.310
2.457
3.385
2.144
2.141
2.138
2.136
2.133
2.744
2.738
0.682
0.682
0.682
0.682
0.682
3.022
3.015
3.008
3.002
2.996
0.853
0.853
1.309
1.309
2.040
2.037
2.035
2.032
2.030
2.453
2.449
2.445
2.441
2.438
3.375
3.365
3.356
3.348
3.340
3.633
3.622
3.611
3.601
3.591
31
32
1.054
1.696
1.694
0.853
0.852
0.852
1.054
1.053
1.052
1.052
33
1.308
1.307
1.306
1.692
1.691
1.690
2.733
2.728
2.724
34
35
36
37
38
0.852
0.851
0.851
1.052
1.051
1.051
1.306
1.305
1.304
1.688
1.687
1.686
2.131
2.129
2.719
2.715
2.990
2.985
2.980
3.333
3.326
3.319
3.582
3.574
3.566
0.681
2.028
2.026
2.024
2.434
0.681
0.681
2.431
2.429
2.127
2.712
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman