The following data represent the age (in weeks) at which babies first crawi based on a survey of 12 motners. The data are normally distributed and s= deviation of the age (in weeks) at which babies first crawl. 10.457 weeks. Construct and interpret a 90% confidence interval for the population standard 55 31 43 35 39 27 47 36 58 26 41 29 Chi-Square Distribution Critical Values Table | Click the icon to view the table of critical values of the chi-square distribution. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to three decimal places as needed.) Chi-Square (x) Distribution Areato the Right of Critical Value O A. If repeated samples are taken, 90% of them will have the sample standard deviation between Degrees of Freedom and 0995 0.99 0975 095 0.90 010 0.05 0.025 0.01 0.005 B. There is a 90% probability that the true population standard deviation is between and 6.635 0.001 0.061 0.216 0.484 0.831 0.004 0.103 0.016 0.211 0.584 1.064 1.610 2.706 4.605 6.251 7.779 9.236 10.645 12.017 13.362 14.684 16 097 3.841 5991 7815 9488 11.070 5.024 7.378 2879 10.597 - 0.010 0.072 0.207 0.412 - 0020 9.210 OC. There is 90% confidence that the population standard deviation is between and 0115 0297 0554 0.352 0.711 1.145 9.348 11.345 12.838 14.860 16.750 11.143 13.277 12.833 15.086 0.676 0.989 1.344 1.735 0.872 1.239 1.646 2.088 1237 1.690 2.180 2.700 1 17 1.635 2.167 2.733 3.325 2.204 2.833 3.490 4.168 12592 14.067 15.507 16.919 14.449 16.013 17535 16.812 18.475 20.090 18.548 20278 21.955 23589 6. 8 19.023 21.666 うe 19 007 0 498 2040 28.200
The following data represent the age (in weeks) at which babies first crawi based on a survey of 12 motners. The data are normally distributed and s= deviation of the age (in weeks) at which babies first crawl. 10.457 weeks. Construct and interpret a 90% confidence interval for the population standard 55 31 43 35 39 27 47 36 58 26 41 29 Chi-Square Distribution Critical Values Table | Click the icon to view the table of critical values of the chi-square distribution. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to three decimal places as needed.) Chi-Square (x) Distribution Areato the Right of Critical Value O A. If repeated samples are taken, 90% of them will have the sample standard deviation between Degrees of Freedom and 0995 0.99 0975 095 0.90 010 0.05 0.025 0.01 0.005 B. There is a 90% probability that the true population standard deviation is between and 6.635 0.001 0.061 0.216 0.484 0.831 0.004 0.103 0.016 0.211 0.584 1.064 1.610 2.706 4.605 6.251 7.779 9.236 10.645 12.017 13.362 14.684 16 097 3.841 5991 7815 9488 11.070 5.024 7.378 2879 10.597 - 0.010 0.072 0.207 0.412 - 0020 9.210 OC. There is 90% confidence that the population standard deviation is between and 0115 0297 0554 0.352 0.711 1.145 9.348 11.345 12.838 14.860 16.750 11.143 13.277 12.833 15.086 0.676 0.989 1.344 1.735 0.872 1.239 1.646 2.088 1237 1.690 2.180 2.700 1 17 1.635 2.167 2.733 3.325 2.204 2.833 3.490 4.168 12592 14.067 15.507 16.919 14.449 16.013 17535 16.812 18.475 20.090 18.548 20278 21.955 23589 6. 8 19.023 21.666 うe 19 007 0 498 2040 28.200
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:The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. The data are normally distributed and s = 10.457 weeks. Construct and interpret a 90% confidence interval for the population standard
deviation of the age (in weeks) at which babies first crawl.
55
31
43
35
39
27
47
36
58
26
41
29
Chi-Square Distribution Critical Values Table
Click the icon to view the table of critical values of the chi-square distribution.
Select the correct choice below and fill in the answer boxes to complete your choice.
(Use ascending order. Round to three decimal places as needed.)
Chi-Square (x) Distribution
Areato the Right of Critical Value
A. If repeated samples are taken, 90% of them will have the sample standard deviation between
and
Degrees of
Freedom
0.995
0.99
0975
095
0.90
010
0.05
0.025
0.01
0.005
B. There is a 90% probability that the true population standard deviation is between
and
2.706
4.605
6.251
7.779
9.236
6.635
9.210
11.345
13.277
15.086
1
0.001
0.004
0.016
5.024
7879
0.010
0.072
0.207
0.061
0.216
0.484
3.841
5991
7815
0020
0.103
0.211
7.378
10.597
C. There is 90% confidence that the population standard deviation is between
0.584
1.064
1.610
and
3
0115
0.352
9.348
12.838
14.860
16.750
4
0297
0.711
9.488
11.143
0.412
న4
0.831
1.145
11.070
12.833
10.645
12.017
13.362
14.684
15.987
12592
14.067
15.507
16.919
0.676
0.989
16.812
18.475
1.237
1.690
2.180
2.700
1.635
2.167
2.733
3.325
18.548
0.872
1.239
1.646
2.204
14.449
2.833
3.490
16.013
17535
19.023
7
20278
21.955
23589
25188
8
1.344
20.090
21.666
1.735
2.156
4.168
4.865
2.088
10
2.558
3.247
3.940
18.307
20.483
23 209
3.063
3.571
19.675
21.026
22.362
23.685
24.996
24.725
26 217
27688
2.603
3.816
4.575
5.226
5.892
6.571
7.261
5.578
6.304
7042
7.790
8.547
17275
18.549
11
21.920
26.757
4.404
5.009
5.629
6.262
23.337
24.736
26.119
27.488
12
13
3074
3565
4.075
4.601
28.300
29.819
4.107
19.812
4.660
5.229
21.064
22.307
29.141
31.319
32.801
14
15
30578
5142
5.697
6.265
6.844
7434
5.812
6.408
7015
7633
8.260
23.542
24.769
25.989
26.296
27587
28.869
6.908
7564
7962
8.672
28.845
30.191
31.526
32.852
34.170
34.267
35.718
37156
38.582
16
9.312
32.000
10.085
10.865
11.651
12.443
17
33.409
8.231
8.907
9.591
34.805
36.191
37566
18
9.390
19
10.117
27204
30.144
20
10.851
28.412
31.410
39.997
8.034
8.643
9.260
9.886
10.520
10.283
10.982
11.689
11.591
12.338
13.091
13.848
29.615
30.813
32.671
33.924
35.172
36.415
37652
35.479
36.781
38.076
21
8.897
13.240
38.932
41.401
9.542
10.196
10856
11.524
40.289
41638
42.796
44.181
45.559
46.928
22
14.041
23
14.848
32.007
15.659
16.473
24
12.401
33.196
39.364
42.980
25
13.120
14.611
34.382
40.646
44.314
15.379
16.151
16.928
17.708
18.493
నర3
36.741
37.916
45.642
46.963
11.160
38 885
13.844
14.573
15.308
16.047
16.791
26
12.198
17.292
41.923
48.290
43.195
44.461
45.722
46.979
49645
50993
52.336
53672
27
11.808
12879
18.114
40.113
41.337
42557
12.461
13.565
14.256
14.953
18.939
19.768
20.599
28
48.278
13.121
13.787
49.588
50.892
29
39.087
30
40.256
43.773
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