10. Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.05 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 = 0.05 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 = 13. 4 Click here to view the t-Distribution Area in Right Tail. (a) terit = (1) (Round to three decimal places as needed.) (b) terit = (2) (Round to three decimal places as needed.) (c) tcrit = (3). (Round to three decimal places as needed.)
10. Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.05 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 = 0.05 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 = 13. 4 Click here to view the t-Distribution Area in Right Tail. (a) terit = (1) (Round to three decimal places as needed.) (b) terit = (2) (Round to three decimal places as needed.) (c) tcrit = (3). (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
Transcribed Image Text:10.
Complete parts (a) through (c) below.
(a) Determine the critical value(s) for a right-tailed test of a population mean at the a = 0.05 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 = 0.05 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 = 13.
4
Click here to view the t-Distribution Area in Right Tail.
(a) terit = (1)
(Round to three decimal places as needed.)
(b) tcrit = (2)
(Round to three decimal places as needed.)
(c) tcrit = (3).
(Round to three decimal places as needed.)
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
di
1.000
0.816
3
1.376
1.061
0.978
0.941
0.920
1.963
1.386
1.250
1.190
1.156
3.078
1.886
1.638
1.533
1.476
6.314
2.920
2.353
2.132
63.657
9.925
5.841
4.604
4.032
1
12.706
4.303
3.182
2.776
2.571
15.894
4.849
3.482
2.999
2.757
31.821
6.965
4.541
3.747
3.365
127.321
14.089
7.453
5.598
4.773
318.309
22.327
636.619
31.599
12.924
8.610
6.869
1
0.765
0.741
0.727
10.215
7.173
5.893
4
2.015
0.718
0.711
0.706
0.703
0.700
2.447
2.365
2.306
2.262
2.228
3.707
3.499
3.355
3.250
3.169
0.906
1.134
1.119
1.108
1.100
1.093
2.612
2.517
2.449
2.398
2.359
3.143
1.440
1.415
1.397
1.383
1.943
1.895
1.860
4.317
4.029
3.833
3.690
3.581
5.959
5.408
5.041
4.781
4.587
6.
5.208
4.785
4.501
4.297
4.144
0.896
0.889
2.998
2.896
2.821
2.764
8
9
1.833
0.883
0.879
10
1.372
1.812
10
2.328
2.303
2.282
2.264
2.249
0.697
4.025
3.930
3.852
3.787
3.733
4.437
4.318
4.221
4.140
4.073
0.876
11
12
13
1.088
1.083
1.079
1.076
1.074
1.363
1.356
1.350
1.345
1.341
1.796
1.782
1.771
1.761
1.753
2.201
2.179
2.160
2.145
2.131
2.718
2.681
2.650
2.624
2.602
3.106
3.055
3.012
2.977
2.947
3.497
3.428
3.372
3.326
3.286
11
0.695
0.694
0.692
0.873
0.870
0.868
0.866
12
13
14
15
14
15
0.691
0.690
0.689
0.688
0.865
0.863
1.337
1.069 1.333
1.067 1.330
1.066
1.746
1.740
1.734
1.729
1.725
1.071
2.120
2.110
2.101
2.093
2.086
2.235
2.224
2.214
2.205
2.197
3.252
3.222
4.015
3.965
3.922
3.883
3.850
2.583
2.567
2.921
2.898
2.878
2.861
2.845
3.686
3.646
3.610
10
17
18
16
17
18
19
20
0.862
0.861
0.860
2.552
2539
2.528
3.197
3.174
3.153
0.688
1.328
3.579
19
0.687
1.064
1.325
3.552
20
21
22
23
24
25
0.686
0.686
0.685
0.859
0.858
0.858
0.857
0.856
1.063
1.061
1.060
1.059
1.058
1.323
1.321
1.319
1.318
1.316
1.721
1.717
1.714
1.711
1.708
2.080
2.074
2.069
2.064
2.060
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
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
21
23
24
25
0.685
0.684
2.797
2.787
0.684
0.684
0.683
0.683
0.683
0.856
0.855
0.855
0.854
0.854
1.058
1.057
1.056
1.055
1.055
1.706
1.703
1.701
1.699
1.697
2.479
2.473
2.467
2.462
2.457
3.067
3.057
3.047
3.707
3.690
3.674
3.659
3.646
1.315
26
27
28
29
30
1.314
1.313
1.311
1.310
2.056
2.052
2.048
2.045
2.042
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
27
28
29
34
3.038
3.030
0.682
0.682
0.682
0.682
0.682
0.853
0.853
0.853
0.852
0.852
1.054
1.054
1.053
1.052
1.052
3.022
3.015
3.008
3.002
2.996
2.144
1.309
1.309
1.308
1.307
1.306
2.040
2.037
2.035
2.032
2.030
2.453
31
32
33
34
35
1.696
1.694
1.692
1.691
1.690
2.141
2.138
2.136
2.133
2.449
2.445
2.441
2.438
2.744
2.738
2.733
2.728
2.724
3.375
3.365
3.356
3.348
3.340
3.633
3.622
3.611
3.601
3.591
31
32
33
34
35
1.052
1.051
1.051
1.050
1.050
1.306
1.305
1.304
1.304
1.303
1.688
1.687
1.686
1.685
1.684
2.719
2.715
2.712
2.708
2.704
3.333
3.326
3.319
3.313
3.307
3.582
3.574
3.566
3.558
3.551
0.681
0.852
36
37
38
39
40
2.028
2.026
2.024
2.023
2.021
2.131
2.129
2.127
2.125
2.434
2.431
2.429
2.426
2.423
2.990
2.985
2.980
2.976
2.971
34
31
38
34
40
0.681
0.851
0.681 0.851
0.681
0.851
0.681
0.851
2.123
0.679
0.679
0.678
0.678
0.677
1.047
1.045
1.044
1.043
1.042
2.009
2.000
1.994
1.990
1.987
2.109
2.099
2.093
2.088
2.084
2.678
2.937
2.915
2.899
2.887
2.878
50
0.849
0.848
0.847
0.846
0.846
1.299
1.296
1.294
1.292
1.291
1.676
1.671
1.667
1.664
1.662
2.403
2.390
2.381
2.374
2.368
3.261
3.232
3.211
3.195
3.496
3.460
3.435
3.416
3.402
50
2.660
2.648
2.639
2.632
60
60
70
80
70
80
90
3.183
90
0.845
0.842
0.842
1.984
1.962
1.960
2.626
2.581
2.576
0.677
1.042
1.290
1.282
1.282
1.660
1.646
1.645
2.081
2.056
2.054
2.364
3.174
3.098
3.090
100
3.390
2.871
2.813
2.807
100
0.675
0.674
1.037
1.036
1000
2.330
2.326
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
di
(1)
(2)
(3)
+
000
H +
000
I + +
000
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps
Similar questions
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