A random sample of 25 chocolate energy bars of a certain brand has, on average, 290 calories per bar, with a standard deviation of 15 calories. Assume that the distribution of the calorie content is approximately normal. Construct a 95% confidence interval for a. Click here to view page 1 of the table of critical values of the chi-squared distribution.
A random sample of 25 chocolate energy bars of a certain brand has, on average, 290 calories per bar, with a standard deviation of 15 calories. Assume that the distribution of the calorie content is approximately normal. Construct a 95% confidence interval for a. Click here to view page 1 of the table of critical values of the chi-squared distribution.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Critical Values of the Chi-Squared Distribution (Page 2)
Critical Values of the Chi-Squared Distribution
0.30
0.25
0.20
0.10
0.05
0.025
0.02
0.01
0.005
0.001
1.323
1.074
2.408
3.665
1.642
3.219
4.642
2.706
4.005
6.251
7.779
9.236
3.841
5.991
7.815
5.024
7.378
9.348
5.412
7.824
9.837
6.635
9.210
11.345
7.879
10.597
12.838
10.827
13.815
16.266
1
2
3
2.773
4.108
4.878
6.064
5.385
6.626
11.143
12.832
13.277
15.086
5.989
9.488
14.860
11.668
13.388
18.466
20.515
5
7.289
11.070
16.750
7.231
12.592
14.067
15.507
16.919
7.841
9.037
15.033
16.622
16.812
18.475
8,558
10.645
12.017
14.449
16.013
18.548
20.278
22.457
24.321
8.383
9.803
9.524
10.656
20.090
21.666
10.219
11.030
12.242
13.362
14.684
18.168
19.679
21.955
23.589
26.124
27.877
8
17.535
11.389
12.549
9
19.023
10
11.781
13.442
15.987
18.307
20.483
21.161
23.209
25.188
29.588
11
12.899
13.701
14.631
17.275
19.675
21.920
22.618
24.725
26.757
31.264
12
13
14
14.011
15.119
16.222
14.845
15.984
15.812
16.985
18.151
18.549
19.812
21.064
21.026
22.362
23.685
23.337
24.736
26.119
24.054
25.471
26.873
26.217
27.688
29.141
28.300
29.819
31.319
32.909
34.527
36.124
17.117
15
17.322
18.245
19.311
22.307
24.996
27.488
28.259
30.578
32.801
37.698
18.418
19.369
20.465
23.542
26.296
28.845
29.633
32.000
33.409
34.805
36.191
37.566
16
34.267
39.252
21.615
22.760
24.769
25.989
27.587
28.869
35.718
37.156
30.191
30.995
17
18
19.511
20.601
20.489
21.605
40.791
42.312
31.526
32.346
38.582
39.997
19
21.689
22.775
22.718
23.828
23.900
27.204
28.412
30.144
31.410
32.852
33.687
43.819
45.314
20
25.038
34.170
35.020
23.858
24.939
29.615
30.813
35.479
36.781
36.343
37.659
46.796
48.268
24.935
26.171
27.301
32.671
33.924
38.932
21
22
41.401
26.039
40.289
42.796
23
24
25
26.018
27.096
28.172
27.141
28.241
29.339
28.429
29.553
30.675
32.007
33.196
34.382
35.172
36.415
37.652
38.076
39.364
40.646
38.968
40.270
41.566
41.638
42.980
44.314
44.181
45.558
49.728
51.179
52.619
46.928
38.885
40.113
29.246
30.319
31.391
32.461
26
27
30.435
31.528
31.795
32.912
35.563
36.741
41.923
43.195
42.856
44. 140
45.642
46.963
48.290
49.645
50.994
54.051
55.475
32.620
45.419
56.892
28
29
34.027
35.139
37,916
39.087
41.337
42.557
43.773
44.461
48.278
49.588
33.711
45,722
46.693
52.335
58.301
30
33.530
34.800
36.250
40.256
46.979
47.962
50.892
53.672
59.702
40
44.165
45.616
47.269
51.805
55.758
59.342
60. 436
63.691
66.766
73.403
Transcribed Image Text:A random sample of 25 chocolate energy bars of a certain brand has, on average, 290 calories per bar, with a standard deviation of 15 calories. Assume that the distribution of the calorie content is approximately normal. Construct a 95%
confidence interval for o.
Click here to view page 1 of the table of critical values of the chi-squared distribution.
Click here to view page 2 of the table of critical values of the chi-squared distribution.
The confidence interval is
<o<
(Round to two decimal places as needed.)
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