To test Ho: u = 20 versus H,: µ< 20, a simple random sample of size n= 17 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). E Click here to view the t-Distribution Area in Right Tail. (a) If x = 18.4 and s = 4.3, compute the test statistic. t= (Round to two decimal places as needed.)
To test Ho: u = 20 versus H,: µ< 20, a simple random sample of size n= 17 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). E Click here to view the t-Distribution Area in Right Tail. (a) If x = 18.4 and s = 4.3, compute the test statistic. t= (Round to two 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:1-Distribution
Area in Right Tail
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1.25
0.20
0.15
0.10
0.05
0.025
0.02
0.01
0.005
0,0025
0,001
0.0005
df
1.376
1.061
0.978
0.941
0.920
6314
2.920
2.353
2.132
12.706
4.303
3.182
2.776
318.309
22.327
10.215
7.173
5.893
1.963
1.386
3.078
1.886
15.894
4.849
342
2.999
31.821
6.965
4.541
3.747
63.657
9.925
5.841
4.604
127.321
14.089
636.619
31.599
1.000
0.816
0.765
0.741
in
1.250
1.190
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1638
1.533
7453
5.598
4.773
12.924
8.610
0.727
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2571
2.757
3.365
4.032
6.809
0.718
7.
0.711
0.706
1.440
1415
1.397
2.447
2.365
2.306
2.262
3.707
3.499
3.355
3.250
5.208
4.785
4.501
4.297
4.144
0.906
1.134
L119
1.108
L.100
1093
1.943
2612
2517
2449
2398
2.359
3.143
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2.764
4317
4.029
3833
3.690
5.959
0.896
1.895
1.860
1.833
5.408
5.041
7
0.703
0.700
1.383
1372
0.883
4.781
10
0.879
1.812
2.228
3.169
3.581
4.587
10
1.363
1356
1.O88
11
12
13
2.328
2.303
2.282
2.264
2249
2.718
2.681
2.650
3.106
3.055
3.012
2.977
2.947
0.697
0.876
1.796
1.782
1.771
1.761
1.753
2.201
3.497
4.025
3.930
3.852
4.437
2179
2.160
0.695
0.694
0.692
0.691
0.873
0.870
3.428
3.372
3.326
3.286
4318
4.221
12
13
1.350
1.345
1.341
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2.145
2.131
2.624
2.602
3,787
3.733
4.140
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1.337
1.333
1.330
2.120
2110
2.101
2.093
2.086
2235
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2.197
0.865
0.863
1.746
1.740
2.583
2.567
3.252
3.222
3.197
3.174
3.153
16
17
3.686
3.646
0,690
2.921
2.898
2.878
4.015
3.965
3.922
3.S83
3.850
16
17
0.689
1069
18
19
0.688
0.688
0.862
0.861
0,860
3.610
3.579
1.067
1.734
1.729
2.552
18
1.328
1.325
2539
2528
2.861
2.845
1.066
19
20
0.687
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1.725
3.552
20
21
22
0.686
0.686
0.859
0,858
1.063
1061
1060
1.323
1.321
1.721
1.717
1.714
1.711
2.080
2.074
2.069
2.064
3.135
3.119
2.189
2.183
2518
2508
2.831
2.819
3.527
3.505
3819
3.792
3.768
3.745
21
22
23
24
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0857
1.319
1.318
1.316
2.177
2.172
2.167
2500
2492
2.807
2.797
3.104
3.091
348S
3.467
3.450
23
24
0.685
1059
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0.684
0856
1.708
2.060
2.787
2.779
2.771
2.763
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25
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3078
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0.684
0.684
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26
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1.315
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1.701
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1.308
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1.694
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3.333
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3.574
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3.558
3.551
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0.681
0.681
0.681
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0.851
0.851
0.851
1.305
1.304
1.304
1.303
1.687
1.686
1.685
1.684
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3.326
3.319
3.313
3.307
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1.676
1.671
2.109
2.099
2.678
2.660
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2.915
2.899
2.887
2.878
3.496
3.460
50
0.849
2.009
2.000
2.403
2.390
3.261
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0.848
3.232
60
0.678
0.678
0.847
0.846
1.294
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1.664
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2.088
2.084
2.381
2.374
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1.994
1.990
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3,211
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1.290
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2.056
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2.364
2.330
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2.626
2.581
2.576
2871
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2.807
3.174
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100
1.660
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1000
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df
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1.0005
df
Transcribed Image Text:To test Ho: µ = 20 versus H,: µ<20, a simple random sample of size n= 17 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d).
Click here to view the t-Distribution Area in Right Tail.
(a) If x = 18.4 and s = 4.3, compute the test statistic.
%3=
(Round to two decimal places as needed.)
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