Determine the critical values for these tests of a population standard deviation. (a) A right-tailed test with 14 degrees of freedom at the a = 0.01 level of significance (b) A left-tailed test for a sample of size n= 25 at the a = 0.1 level of significance (c) A two-tailed test for a sample of size n= 22 at the a = 0.01 level of significance Degr Freed Click the icon to view a table a critical values for the Chi-Square Distribution. (a) The critical value for this right-tailed test is (Round to three decimal places as needed.) 523 S
Determine the critical values for these tests of a population standard deviation. (a) A right-tailed test with 14 degrees of freedom at the a = 0.01 level of significance (b) A left-tailed test for a sample of size n= 25 at the a = 0.1 level of significance (c) A two-tailed test for a sample of size n= 22 at the a = 0.01 level of significance Degr Freed Click the icon to view a table a critical values for the Chi-Square Distribution. (a) The critical value for this right-tailed test is (Round to three decimal places as needed.) 523 S
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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
Transcribed Image Text:Determine the critical values for these tests of a population standard deviation.
(a) A right-tailed test with 14 degrees of freedom at the a = 0.01 level of significance
(b) A left-tailed test for a sample of size n =25 at the a = 0.1 level of significance
(c) A two-tailed test for a sample of size n= 22 at the a = 0.01 level of significance
Chi-Square (x²) Distribution
Area to the Right of Critical Value
Degrees of
Freedom
Click the icon to view a table a critical values for the Chi-Square Distribution.
0.995
0.99
0.975
0.95
0.90
0.10
0.05
0.025
0.01
0.005
(a) The critical value for this right-tailed test is
0.016
2.706
6.635
9.210
11.345
13.277
1
2
7.879
10.597
0.001
0.051
0.216
0.484
0.004
0.103
3.841
5.024
(Round to three decimal places as needed.)
0.010
0.072
0.207
0.412
0.211
0.584
1.064
7.378
9.348
11.143
0.020
4.605
5.991
3
4
0.115
0.297
0.554
0.352
0.711
6.251
7.779
7.815
9.488
11.070
12.838
14.860
5
0.831
1.145
1.610
9.236
12.833
15.086
16.750
1.635
18.548
20.278
21.955
0.676
0.872
1.237
2.204
10.645
12.592
14.449
16.812
2.167
2.733
3.325
3.940
2.833
3.490
12.017
13.362
14.067
15.507
18.475
20.090
7
0.989
1.239
1.646
1.690
16.013
1.344
2.180
17.535
2.088
2.558
2.700
3.247
4.168
4.865
16.919
18.307
23.589
25.188
1.735
14.684
15.987
19.023
21.666
10
2.156
20.483
23.209
11
2.603
3.053
3.816
4.575
5.578
17.275
19.675
21.920
24.725
26.757
3.571
4.404
5.009
6.304
7.042
7.790
8.547
28.300
12
13
3.074
3.565
5.226
18.549
19.812
21.026
22.362
23.685
24.996
23.337
24.736
26.217
27.688
29.819
31.319
32.801
4.107
5.892
4.660
5.229
5.629
6.262
14
4.075
4.601
6.571
7.261
21.064
22.307
26.119
27.488
29.141
15
30.578
5.812
6.408
7.015
26.296
27.587
32.000
33.409
34.805
16
5.142
6.908
7.962
9.312
23.542
28.845
34.267
24.769
25.989
27.204
28.412
7.564
8.231
10.085
17
18
5.697
8.672
9.390
30.191
31.526
35.718
37.156
10.865
11.651
12.443
6.265
28.869
19
20
10.117
10.851
32.852
34.170
38.582
39.997
6.844
7.633
8.260
8.907
9.591
30.144
36.191
7.434
31.410
37.566
8.897
9.542
10.283
10.982
11.689
13.240
14.041
29.615
30.813
11.591
21
22
35.479
36.781
38.932
40.289
8.034
8.643
9.260
9.886
10.520
32.671
33.924
35.172
41.401
12.338
42.796
23
10.196
13.091
14.848
38.076
32.007
33.196
34.382
41.638
44.181
24
25
13.848
14.611
45.559
46.928
10.856
12.401
15.659
16.473
36.415
39.364
40.646
42.980
44.314
11.524
13.120
37.652
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