Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.10 level of significance with 10 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= 15. (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. E Click here to view the t-Distribution Area in Right Tail. (a) torit = (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 = 0.10 level of significance with 10 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= 15. (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. E Click here to view the t-Distribution Area in Right Tail. (a) torit = (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:Complete parts (a) through (c) below.
(a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.10 level of significance with 10 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 = 15.
(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.
E Click here to view the t-Distribution Area in Right Tail.
.....
(a) terit =
(Round to three decimal places as needed.)
(b) tcrit =
(Round to three decimal places as needed.)
(c) tcrit =
(Round to three decimal places as needed.)
+
Transcribed Image Text: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
df
15.894
4.849
3.482
2.999
2.757
31.821
6.965
4.541
3.747
3.365
63.657
9.925
5.841
4.604
4.032
318.309
22.327
10.215
7.173
5.893
1
1.000
1.376
1.963
1.386
1.250
1.190
1.156
3.078
6.314
2.920
2.353
2.132
12.706
127.321
636,619
1
0.816
3.
0,765
4.
0.741
0.727
1.886
1.638
1.533
1.476
4.303
3.182
2.776
2571
14.089
7.453
5.598
4.773
2.
1.061
0.978
0.941
0.920
31.599
2
12.924
8.610
6.869
3
2.015
0.718
0.711
0.706
0.703
0.700
0.906
0.896
0.889
0.883
1.134
1.119
1.108
1.100
1.093
1.440
1.415
1.397
1.383
1.372
1.943
1.895
1.860
1.833
1.812
2.447
2.365
2.306
2.262
2.228
2.612
2.517
2.449
2.398
2.359
3.143
2.998
2.896
2.821
2.764
3.707
3.499
3.355
3.250
3.169
4.317
4.029
3.833
3.690
3.581
5.208
4.785
4.501
4.297
4.144
5.959
5.408
5.041
6.
6.
8
4.781
10
0.879
4.587
10
0.697
0.695
0.694
0.692
0.691
1.363
1.356
1.350
1.345
1.341
1.796
1.782
1.771
1.761
1.753
3.106
3.055
3.012
2.977
2.947
3.497
3.428
3.372
3.326
3.286
4.025
3.930
3.852
3.787
3.733
11
0.876
1.088
2.201
2.179
2.160
2.145
2.131
2.328
2.303
2.282
2.264
2.249
2.718
2.681
2.650
2.624
2.602
4.437
11
0.873
0,870
1.083
1.079
12
4.318
4.221
4.140
4.073
12
13
13
0.868
0.866
14
1.076
14
15
1.074
15
1.337
1.333
1.330
1.328
1.325
1.746
1.740
1.734
1.729
1.725
3.252
3.222
3.197
3.174
3.153
4.015
3.965
3.922
3.883
3.850
0.690
0.689
0.865
0.863
0.862
0.861
0.860
1.071
1.069
2.120
2.110
2.101
2.093
2.086
2.235
2.224
2.583
2.567
2.552
2.539
2.528
2.921
2.898
2.878
2.861
2.845
3.686
3.646
3.610
3.579
3.552
16
17
16
17
18
0.688
1.067
2.214
18
0.688
1.066
1.064
2.205
2.197
19
19
20
0.687
20
0.686
0.686
2.080
2.074
0.859
0,858
0.858
0857
0.856
1.063
1.061
1.060
1.323
1.321
1.319
1.318
1.316
1.721
1.717
1.714
1.711
1.708
2.189
2.183
2.177
2.172
2.167
2.518
2.508
2.500
2.492
2.485
2.831
2.819
2.807
2.797
2.787
21
22
3.135
3.119
3.527
3.505
3.485
3.467
3.450
3.819
3.792
21
22
0.685
0.685
0.684
2.069
2.064
2.060
3.768
3.745
3.725
23
3.104
3.091
3.078
23
24
1.059
24
25
1.058
25
0856
0,855
0,855
0.854
0.854
1.315
1.314
1.313
1.311
1.310
1.706
1.703
1.701
1.699
1.697
2.056
2.052
2.048
2.045
2.042
2.479
2.473
2.467
2.462
2.457
3.707
3.690
3.674
3.659
3.646
3.067
3.057
26
0,684
1.058
2.162
2.158
2.154
2.150
2.147
2.779
2.771
2.763
2.756
2.750
3.435
3.421
3.408
3.396
3.385
26
1.057
1.056
1.055
1.055
27
0.684
27
28
0,683
3.047
28
3.038
3.030
0,683
29
30
29
30
0.683
0.853
0.853
0.853
0.852
0.852
1.309
1.309
1.308
2.040
2.037
2.035
2.032
2.030
2.144
2.141
2.138
2.136
2.133
2.453
2.449
2.445
2.441
2.438
2.744
2.738
2.733
2.728
2.724
3.022
3.015
3.008
3.002
3.375
3.365
3.356
3.633
3.622
3.611
3.601
3.591
31
0.682
1.054
1.696
31
1.054
1.053
1.052
1.052
32
0.682
0.682
0.682
0.682
1.694
1.692
1.691
1.690
32
33
33
34
35
1.307
1.306
3.348
34
35
2.996
3.340
0,852
0.851
0.851
0.851
0.851
1.306
1.305
1.304
1.304
1.303
2.434
2.431
2.429
2.426
2.423
3.333
3.326
3.319
3.313
3.307
3.582
3.574
36
0.681
1.052
1.051
1.051
1.050
1.050
1.688
2.028
2.131
2.129
2.127
2.125
2.123
2.719
2.715
2.712
2.708
2.704
2.990
2.985
36
37
37
0.681
1.687
2.026
38
39
0.681
1.686
1.685
1.684
2.024
2.980
3.566
38
39
0.681
0,681
2.023
2.021
2.976
2.971
3.558
3.551
40
40
1.299
1.296
1.294
1.292
1.291
2.009
2.678
0.679
0.679
0,678
0.678
0.677
1.047
1.045
1.044
1.043
1.042
1.676
1.671
1.667
1.664
2.109
2.099
2.093
2.088
2.084
2.937
2.915
2.899
2.887
2.878
3.261
3.232
3.211
3.195
3.183
3.496
3.460
3.435
3.416
3.402
50
0.849
2.403
50
0,848
0,847
0,846
0.846
2.000
1.994
1.990
2.390
2.381
2.374
2.368
2.660
2.648
2.639
2.632
60
60
70
70
80
80
90
1.662
1.987
90
0.677
0.675
0.674
0,845
0.842
0,842
1.290
1.282
1.282
3.390 100
3.300 1000
3.291 z
100
1.042
1.037
1.036
1.660
1.646
1.645
1.984
1.962
1.960
2.081
2.056
2.054
2.364
2.330
2.326
2.626
2.581
2.576
2.871
2.813
2,807
3.174
3.098
3.090
1000
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
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