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 20 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 ofn=10. (c) Determine the critical value(s) for a two-tailed test of a population mean at the a = 0.10 level of significance based on a sample size of n= 17. E Click here to view the t-Distribution Area in Right Tail. (a) terit = (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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 20 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 = 0.10 level of significance based on a sample size of n= 17.
Click here to view the t-Distribution Area in Right Tail.
(a) terit
(Round to three decimal places as needed.)
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 20 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 = 0.10 level of significance based on a sample size of n= 17. Click here to view the t-Distribution Area in Right Tail. (a) terit (Round to three decimal places as needed.)
i t-Distribution Area in Right Tail
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
1.000
1.376
1.963
12.706
15.894
31.821
63.657
636.619
31.599
12.924
8.610
1
3.078
6.314
127.321
14.089
7.453
5.598
318.309
1.886
1.638
1.533
2.920
2.353
2.132
2.015
6.965
4.541
3.747
3.365
9.925
5.841
4.604
2
0.816
1.061
22.327
1.386
1.250
1.190
4.303
4.849
3.482
2.999
2.757
2
10.215
7.173
5.893
0.765
0.978
0.941
0.920
3.182
2.776
2.571
3
3
4
4
0.741
0.727
1.156
1.476
4.032
4.773
6.869
0.718
0.711
2.612
2.517
2.449
2.398
4.317
4.029
3.833
5.208
4.785
4.501
4.297
5.959
5.408
5.041
4.781
0.906
1.134
1.440
1.943
1.895
1.860
1.833
1.812
6
2.447
3.143
3.707
6.
0.896
0.889
0.883
1.415
1.397
1.383
1.372
7
8
1.119
1.108
1.100
2.365
2.306
2.262
2.998
2.896
2.821
3.499
3.355
3.250
3.169
7
8
0.706
0.703
0.700
3.690
10
0.879
1.093
2.228
2.359
2.764
3.581
4.144
4.587
10
0.697
0.695
0.694
0.876
0.873
0.870
0.868
0.866
1.363
1.356
1.350
1.796
1.782
1.771
1.761
3.106
3.055
3.012
2.977
2.947
3.497
3.428
3.372
3.326
3.286
4.437
4.318
4.221
4.140
4.073
1.088
2.718
2.201
2.179
2.160
2.328
2.303
2.282
2.264
11
4.025
11
12
13
1.083
1.079
2.681
2.650
3.930
3.852
3.787
3.733
12
13
14
15
0.692
0.691
2.624
2.602
14
1.076
1.345
2.145
2.131
15
1.074
1.341
1.753
2.249
1.337
1.333
1.330
1.328
1.325
1.746
1.740
1.734
1.729
1.725
0.690
0.689
3.252
3.222
2.120
2.110
2.101
2.093
2.086
2.235
2.224
2.214
2.921
2.898
3.686
3.646
0.865
0.863
0.862
0.861
1.071
1.069
2.583
2.567
4.015
3.965
3.922
3.883
16
17
16
17
18
0.688
1.067
2.552
2.539
2.878
3.197
3.610
18
2.205
3.174
3.153
19
0.688
1.066
3.579
2.861
2.845
19
20
0.687
0.860
1.064
2.197
2.528
3.552
3.850
20
0.859
0.858
0.858
2.080
2.074
2.189
2.183
2.177
2.518
2.508
2.500
2.492
2.485
3.135
3.119
3.104
3.527
3.505
3.485
3.467
3.450
21
22
0.686
0.686
0.685
0.685
1.063
1.061
1.323
1.321
1.319
1.318
1.721
1.717
1.714
1.711
1.708
2.831
2.819
2.807
2.797
3.819
3.792
21
22
2.069
3.768
3.745
3.725
23
1.060
23
0.857
0.856
1.059
24
25
2.064
2.172
3.091
3.078
24
0.684
1.058
1.316
2.060
2.167
2.787
25
1.706
1.703
2.056
2.052
2.048
2.045
0.856
0.855
1.058
1.315
3.067
3.057
3.047
26
0.684
2.162
2.479
2.779
3.435
3.707
26
1.057
1.056
27
2.158
2.771
3.421
0.684
0.683
0.683
1.314
2.473
3.690
27
0.855
0.854
1.701
1.699
1 C07
28
1.313
2.154
2.467
2.763
3.408
3.674
3.659
28
29
1.055
1.311
2.150
2.462
2.756
3.038
3.396
29
O Com
a 157
1055
1110
1 ה
2117
0הד
Transcribed Image Text:i t-Distribution Area in Right Tail 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 1.000 1.376 1.963 12.706 15.894 31.821 63.657 636.619 31.599 12.924 8.610 1 3.078 6.314 127.321 14.089 7.453 5.598 318.309 1.886 1.638 1.533 2.920 2.353 2.132 2.015 6.965 4.541 3.747 3.365 9.925 5.841 4.604 2 0.816 1.061 22.327 1.386 1.250 1.190 4.303 4.849 3.482 2.999 2.757 2 10.215 7.173 5.893 0.765 0.978 0.941 0.920 3.182 2.776 2.571 3 3 4 4 0.741 0.727 1.156 1.476 4.032 4.773 6.869 0.718 0.711 2.612 2.517 2.449 2.398 4.317 4.029 3.833 5.208 4.785 4.501 4.297 5.959 5.408 5.041 4.781 0.906 1.134 1.440 1.943 1.895 1.860 1.833 1.812 6 2.447 3.143 3.707 6. 0.896 0.889 0.883 1.415 1.397 1.383 1.372 7 8 1.119 1.108 1.100 2.365 2.306 2.262 2.998 2.896 2.821 3.499 3.355 3.250 3.169 7 8 0.706 0.703 0.700 3.690 10 0.879 1.093 2.228 2.359 2.764 3.581 4.144 4.587 10 0.697 0.695 0.694 0.876 0.873 0.870 0.868 0.866 1.363 1.356 1.350 1.796 1.782 1.771 1.761 3.106 3.055 3.012 2.977 2.947 3.497 3.428 3.372 3.326 3.286 4.437 4.318 4.221 4.140 4.073 1.088 2.718 2.201 2.179 2.160 2.328 2.303 2.282 2.264 11 4.025 11 12 13 1.083 1.079 2.681 2.650 3.930 3.852 3.787 3.733 12 13 14 15 0.692 0.691 2.624 2.602 14 1.076 1.345 2.145 2.131 15 1.074 1.341 1.753 2.249 1.337 1.333 1.330 1.328 1.325 1.746 1.740 1.734 1.729 1.725 0.690 0.689 3.252 3.222 2.120 2.110 2.101 2.093 2.086 2.235 2.224 2.214 2.921 2.898 3.686 3.646 0.865 0.863 0.862 0.861 1.071 1.069 2.583 2.567 4.015 3.965 3.922 3.883 16 17 16 17 18 0.688 1.067 2.552 2.539 2.878 3.197 3.610 18 2.205 3.174 3.153 19 0.688 1.066 3.579 2.861 2.845 19 20 0.687 0.860 1.064 2.197 2.528 3.552 3.850 20 0.859 0.858 0.858 2.080 2.074 2.189 2.183 2.177 2.518 2.508 2.500 2.492 2.485 3.135 3.119 3.104 3.527 3.505 3.485 3.467 3.450 21 22 0.686 0.686 0.685 0.685 1.063 1.061 1.323 1.321 1.319 1.318 1.721 1.717 1.714 1.711 1.708 2.831 2.819 2.807 2.797 3.819 3.792 21 22 2.069 3.768 3.745 3.725 23 1.060 23 0.857 0.856 1.059 24 25 2.064 2.172 3.091 3.078 24 0.684 1.058 1.316 2.060 2.167 2.787 25 1.706 1.703 2.056 2.052 2.048 2.045 0.856 0.855 1.058 1.315 3.067 3.057 3.047 26 0.684 2.162 2.479 2.779 3.435 3.707 26 1.057 1.056 27 2.158 2.771 3.421 0.684 0.683 0.683 1.314 2.473 3.690 27 0.855 0.854 1.701 1.699 1 C07 28 1.313 2.154 2.467 2.763 3.408 3.674 3.659 28 29 1.055 1.311 2.150 2.462 2.756 3.038 3.396 29 O Com a 157 1055 1110 1 ה 2117 0הד
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