Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.01 level of significance with 15 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the a = 0.10 level of significance based on a sample size of n = 10. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a = 0.05 level of significance based on a sample size of n = 13. Click here to view the t-Distribution Area in Right Tail. ..... (a) terit = (Round to three decimal places as needed.) (b) terit = (Round to three decimal places as needed.) (c) terit = (Round to three decimal places as needed.)
Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.01 level of significance with 15 degrees of freedom. (b) Determine the critical value(s) for a left-tailed test of a population mean at the a = 0.10 level of significance based on a sample size of n = 10. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a = 0.05 level of significance based on a sample size of n = 13. Click here to view the t-Distribution Area in Right Tail. ..... (a) terit = (Round to three decimal places as needed.) (b) terit = (Round to three decimal places as needed.) (c) terit = (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
18
Transcribed Image Text:t-Distribution
Arca 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
df
1.000
0.816
3
1.963
1.386
63.657
9.925
5.841
4.604
4.032
127.321
14.089
7.453
5.598
4.773
636,619
31.599
12.924
8.610
6.869
1.376
1.061
3.078
1.886
1.638
1.533
1.476
6.314
2.920
2.353
2.132
2.015
318.309
22.327
10.215
7.173
5.893
1
12.706
15.894
31.821
1
4.303
3.182
2.776
2571
4.849
3.482
2.999
2.757
6.965
4.541
3.747
3.365
2
2
0.741
5
0.765
4
0.978
0.941
0.920
1.250
1.190
1.156
3
4
0.727
1.134
3.143
2.998
2.896
2.821
2.764
3.707
4.317
4.029
3.833
3.690
3.581
5.208
5.959
5.408
5.041
4.781
0.718
1.440
1.415
1.397
1.383
1.943
2.447
2.612
2.517
2.449
2.398
2.359
6
0.906
6.
2.365
2.306
4.785
4.501
4.297
4.144
7
0.711
0.896
0,889
0,883
0,879
1.119
1.108
1.100
1.895
1.860
1.833
3.499
3.355
3.250
3.169
7
8
8
0.706
0.703
2.262
2.228
9.
10
0.700
1.093
1.372
1.812
4.587
10
0.697
0.695
0.694
1.363
1.356
1.350
1.345
1.796
1.782
1.771
1.761
1.753
3.497
3.428
3.372
4.437
4.318
4.221
0.876
2.201
2.328
2.303
2.282
2.718
3.106
3.055
3.012
2.977
2.947
11
1.088
4.025
11
1.083
1.079
1.076
1.074
2.179
2.160
2.145
2.131
3.930
3.852
3.787
3.733
12
13
0,873
0.870
2.681
2.650
2.624
2.602
12
13
0.692
0.691
2.264
2.249
14
0.868
3.326
3.286
4.140
14
15
0.866
1.341
4.073
15
3.252
3.222
1.071
1.069
0.862 1.067
1.066
2.235
2.224
2.214
2.205
2.583
2.567
2.552
2539
3.686
3.646
3.610
3.579
3.552
4.015
3.965
3.922
3.883
16
17
0.690
0.689
0.688
0,865
0,863
1.337
1.333
1.330
1.328
1.325
1.746
1.740
1.734
1.729
1.725
2.120
2.110
2.101
2.093
2.086
2.921
2.898
2.878
2.861
16
17
3.197
3.174
3.153
18
18
0.688
0.687
0.861
0.860
19
19
20
1.064
2.197
2.528
2.845
3.850
20
1.323
1.321
21
22
23
0.686
0.686
0.685
0.685
0.684
0.859
0.858
0.858
0.857
0,856
1.063
1.061
1.060
1.059
1.319
1.318
1.316
1.721
1.717
1.714
2.080
2.074
2.069
2.189
2.183
2.177
2.172
2.518
2.508
2.500
2.831
2.819
2.807
2.797
2.787
3.135
3.119
3.104
3.091
3.078
3.527
3.505
3.485
3.467
3.450
3.819
3.792
3.768
3.745
3.725
21
22
23
1.711
1.708
2.064
2.060
2.492
2.485
24
24
25
1.058
2.167
25
1.058
1.057
1.056
1.055
1.055
2.162
2.158
2.154
26
0,684
0,684
0.856
0,855
0.855
1.315
1.314
1.313
1.706
1.703
1.701
1.699
1.697
2.056
2.052
2.479
2.473
2.467
2.462
2.457
2.779
2.771
3.067
3.057
3.047
3.435
3.421
3.408
3.707
3.690
3.674
26
27
28
27
28
0.683
0.683
0.683
1.311
1.310
2.048
2.045
2.042
2.763
2.756
2.750
29
0.854
2.150
2.147
3.038
3.030
3.396
3.385
3.659
29
30
30
0.854
3.646
1.054
1.054
3.375
3.365
3.356
3.348
3.340
3.633
3.622
3.611
31
32
0.682
0.682
0.682
0.853
0.853
0.853
1.309
1.309
1.308
1,696
1.694
1.692
2.040
2.037
2.144
2.141
2.138
2.453
2.449
2.445
2.441
2.438
2.744
2.738
2.733
2.728
2.724
3.022
31
32
1.053
1.052
1.052
2.035
2.032
2.030
3.015
3.008
3.002
2.996
33
33
34
35
0.682
0.682
0.852
0.852
1.307
1.306
1.691
1.690
2.136
2.133
3.601
3.591
34
35
0.852
0.851
0.851
0.851
0.851
1.688
1.687
1.686
1.685
1.684
2.434
2.431
2.429
2.426
2.990
2.985
2.980
2.976
2.971
3.333
3.326
3.319
3.313
3.307
36
0.681
0.681
1.052
1.051
1.051
1.050
1.050
1.306
1.305
1.304
1.304
1.303
2.028
2.131
2.129
2.127
2.125
2.123
2.719
2.715
2.712
2.708
2.704
3.582
3.574
36
37
37
0.681
0.681
0.681
2.026
2.024
2.023
2.021
3.566
3.558
3.551
38
39
38
39
40
40
2.423
1.676
1.671
1.667
1.664
1.662
50
0.679
0.679
0.849
1.047
1.299
1.296
2.009
2.000
2.109
2.099
2.403
2.390
2.678
2.660
2.937
3.261
3.496
50
1.045
1.044
1.043
1.042
2.915
2.899
2.887
2.878
3.232
3.211
3.195
3.183
3.460
3.435
3.416
3.402
60
0.848
0.847
0.846
0.846
60
70
0.678
0.678
0.677
1.294
1.292
1.291
1.994
1.990
1.987
2.093
2.088
2.084
2.381
2.374
2.368
2.648
2.639
2.632
70
80
80
90
90
2.871
2.813
2.807
100
0.677
0.845
1.042
1.037
1.036
1.290
1.660
1.984
1.962
1.960
2.081
2.364
2.626
3.174
3.098
3.090
3.390 100
0,842
0,842
1.282
1.282
2.056
2.054
2.330
2.326
2.581
2.576
1000
0.675
0.674
1.646
1.645
3.300 1000
3.291 z
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
df
Transcribed Image Text:Complete parts (a) through (c) below.
(a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.01 level of significance with 15 degrees of freedom.
(b) Determine the critical value(s) for a left-tailed test of a population mean at the a = 0.10 level of significance based on a sample size of n = 10.
(c) Determine the critical value(s) for a two-tailed test of a population mean at the a = 0.05 level of significance based on a sample size of n = 13.
Click here to view the t-Distribution Area in Right Tail.
.....
(a) tcrit
(Round to three decimal places as needed.)
(b) terit =
(Round to three decimal places as needed.)
(c) terit
(Round to three decimal places as needed.)
%3D
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