95% confidence; n= 51, x = $60,300, s = $17,106 Click the icon to view the table of Chi-Square critical values.
95% confidence; n= 51, x = $60,300, s = $17,106 Click the icon to view the table of Chi-Square critical values.
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
cofidence interval

Transcribed Image Text:Area to the Right of the Catical Value
Degrees of
Freedom
Degrees of
0.99
0.95
0.90
0.10
0.06
0.01
0.005
Freedom
-
0.001
0.004
0016
2.706
3841
5.024
6.635
7.879
1
2
0.010
0.020
0.051
0.103
0211
4.505
5.991
7.378
9210
10.597
2
3
0.072
0.115
0216
0.352
0584
6.251
7815
9.349
11.345
12.838
3
4
0.207
0.297
O484
0.711
1.064
7.779
11.143
13.277
14.810
4
0.412
0.554
0.831
1.145
1810
9.236
11.071
12033
15.086
16.750
5
0.616
0.872
1237
1.635
2204
10.545
12592
1444
16.812
18.548
0.999
1.239
1.890
2.167
2.833
12.017
14.067
16.013
18475
20.270
1314
1.646
2.180
2.733
3490
13.362
15507
17.535
20.090
21.955
1.735
2.000
2.100
3.325
4.168
14.804
16919
19.023
21.866
23.589
10
2.156
2.558
3247
3.940
4.865
15.987
18307
20.483
23.209
25.188
10
11
2.603
3.063
3.616
4.575
5578
17.275
19675
21.920
24.725
26.757
11
12
3.074
3571
4.404
5.226
6304
18.549
21.006
23.337
26.217
28.299
12
3.565
4.107
5.009
5.090
7.042
19.812
2232
24.735
27.688
819
14
4.075
4.660
6.571
1790
21.164
23.685
26.119
29.141
31.319
14
15
4.601
5.229
6.262
7.261
8547
22.307
24.996
27.488
30.578
32.801
15
16
5.142
5.012
6.908
7.962
9312
23.542
26296
26.845
32.000
34.267
16
17
5.697
6.408
7.564
8.672
10.085
24.760
27587
30.191
33409
35.718
17
18
6.265
7.015
8231
9.390
10.365
25.989
28.369
31.528
34.305
37.156
18
19
6.4
7.633
8.907
10.117
11.851
27.204
30.144
32.452
36.191
38.582
19
20
7434
8.260
9.591
10.651
12443
28.412
31410
34.170
37.566
39.997
20
21
8.004
10.283
11.91
13240
29.615
32671
35.479
30.902
41.401
21
22
8.613
R542
10.982
12.338
14.042
30.813
33 24
36.781
40.209
42.76
22
23
9.260
10.196
11.609
13.091
14.348
32.007
35.172
38.076
41.638
44.181
23
24
10.856
12.401
13.648
15.659
33.196
36415
39.364
42.980
45.559
24
25
10.520
11.524
13.120
14.611
16.473
34.382
37652
40.646
44.314
46.928
25
26
11.160
12.198
13.544
15.379
17292
35.563
41.923
45.642
48.290
26
27
11.808
12.879
14573
16.151
18.114
36.741
40.113
43.194
46.963
48.645
27
28
12.461
13.565
15.308
16.2e
18.909
37.916
41337
44.461
48278
50.983
25
29
13.121
14.257
16.017
17.708
19.765
30.0e7
42557
45.722
49.558
52.336
29
30
13.787
14.954
16.791
18.490
20.599
40.256
43773
46.979
50.992
53.672
30
40
20.707
22.164
24.433
26.500
20.051
51.05
55.758
50.342
63.001
66.766
40
50
27.991
29.707
32.357
34.764
37 689
63.167
67505
71.420
76.154
79.490
50
60
35.534
37.485
40.482
43.108
46.459
74.397
79082
91.952
60
70
43.275
45.442
48.758
51.739
55.329
85.527
90.531
95.023
100.425
104.215
70
80
51.172
Sa.540
57.153
60.391
64270
96.578
101379
106.629
112.329
116.321
80
90
59.196
61.754
65.547
69.126
73291
107.565
113.145
118.136
124.116
128.219
90
100
67.328
70.065
74 222
77.929
82.358
118.498
124.342
129.561
135.807
140.169
100
0.995
0.99
0.975
0.95
0.90
0.10
0.06
0.025
0.01
0.005

Transcribed Image Text:Use the given confidence level and sample data to find a confidence interval for the population standard deviation o. Assume that a simple random sample has been selected from a population that has a normal distribution.
Salaries of college graduates who took a geology course in college
95% confidence; n= 51, x= $60,300, s= $17,106
Click the icon to view the table of Chi-Square critical values.
Expert Solution
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