The confidence interval estimate is mi/h
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
Help please week 10
Transcribed Image Text:and the no
Area to the right of the critical value
Degrees of
Freedom
APR
13
hero
1
ده لب
2
4
5
6
7
8
9
10
11
12
Chi-Square (X2) Distribution
0.995
-
0.010
0.072
0.207
0.412
0.676
0.989
1.344
1.735
2.156
2.603
3.074
0.99
0.020
0.115
0.297
0.554
0.872
1.239
1.646
2.088
2.558
3.053
3.571
0.975
0.001
0.051
0.216
0.484
0.831
1.237
1.690
2.180
2.700
3.247
3.816
4.404
Print
Area to the Right of the Critical Value
0.95
0.004
0.103
0.352
0.711
1.145
1.635
2.167
2.733
3.325
3.940
4.575
5.226
0.90
0.016
0.211
0.584
1.064
1.610
2.204
2.833
3.490
4.168
4.865
5.578
6.304
Done
7
0.10
2.706
4.605
6.251
7.779
9.236
10.645
12.017
13.362
14.684
15.987
17.275
18.549
Cúplat
(A
0.05
3.841
5.991
7.815
9.488
11.071
12.592
14.067
15.507
16.919
18.307
19.675
21.026
0.025
19.023
20.483
21.920
23.337
Ske
5.024
7.378
9.348
11.143
12.833
14.449
16.013
17.535
next
- X
wer
Transcribed Image Text:Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained
at 3:30 P.M. on a weekday. Use the sample data to construct a 95% confidence interval estimate of the population
standard deviation.
65 64 64 55 64 55 60
59
60 70 61 67
Click the icon to view the table of Chi-Square critical values.
The confidence interval estimate is mi/h <o< mi/h.
(Round to one decimal place as needed.).
Does the confidence interval describe the standard deviation for all times during the week? Choose the correct answer
below.
E
OA. No. The confidence interval is an estimate of the standard deviation of the population of speeds at 3:30 on
a weekday, not other times.
OB. Yes. The confidence interval describes the standard deviation for all times during the week.
Ske
1
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