Question 1-3 are related Students in the population of all students taking E270 were asked each to state the student's commuting distance the IUPUI compus. The data (miles) is shown in datal Use the data to answer the following 4 questions. 3 b с PSOE b d a 9 b 12.6 19.9 15.9 15.4 12.1 10.3 6.1 10.1 12.7 13 12.8 12.8 17.3 5.2 14.7 7.7 9.3 17 14.5 17.5 14.3 11.6 8.9 16.7 2.6 11.3 12.57 11.53 10.58 7.6 7.8 10.2 5.9 9.8 6 14.2 8.4 8.212 7.466 6.787 13.2 12.9 16.4 15.4 8.9 6.2 10.7 8.1 7.6 9.7 The sample mean is 13.70 12.14 11.53 10.03 10.6 18.5 16.3 10.5 10.1 11.3 12.4 12.4 8.5 The sample variance is 9.034 10 7.8 16.1 11.7 8.4 15.4 -0.2 8.2 15.7 8.7 17.4 12.3 17.1 12.6 8.7 10.9 13.5 11.2 13.2 14.5 14.2 11.8 8.5 13 14.1 14.7 14.3 18.2 10 15.7 17.3 15.4 9.1 13.9 15.4 5 7.8 11.7 12.2 15.7 14.1 18.2 13.4 15.7 18 22 9.7 11 12.9 14.8 14.3 8.7 11.7 6.9 8.1 16.2 10.5 13 13.4 14.2 13.4 17.6 17.6 9 15.9 17.4 4.9 12.5 7.4 13 8.7 12.6 15.9 10.6 15.8 5.8 19.1 5.1 11.4 12.7 16.7 14.9 17 8.3 9.2 12.8 11.6 12.3 9.1 9.9 A random sample selected from the given population data yielded the following miles data: X 13.8 11.1 12.2 19.5 12.4 9.3 7.5 15.8 14.9 16.7 13.5 5.5 10.9 12.9 12.5 14 5.1 14.3 5.6 9.2 15.3 10.6 7.2 6.2 18 4.3 13.5 12.7 10.8 10.2 6.9 17.5 13.1 20.2 12.7 12.9 8.6 13.7 10.3 12.5 21 13.2 8.5 10.6 19.9 9.9 8 13 7.4 6.9 15.2 9 4 14.4 10.5 11.6 8.9 13.4 11.6 8.7 0 13.4 19.5 13.8 7.6 13.6 17 16.1 11 5.3 16.2 4.9 14 15.5 10.8 15.9 7.4 13.3 12.2 15.3 15.6 12.1 17.2 16.3 15.4 14.6 9.6 16.1 16.8 11.3 12 14.9 10.2 12.1 8.5 13.3 10.5 14.1 10 10.7 11.3 12.5 14.6 15.8 14.9 11.2 If you obtained all possible random samples of size 7 as above and computed the mean from each sample, the mean of sample means would be
Question 1-3 are related Students in the population of all students taking E270 were asked each to state the student's commuting distance the IUPUI compus. The data (miles) is shown in datal Use the data to answer the following 4 questions. 3 b с PSOE b d a 9 b 12.6 19.9 15.9 15.4 12.1 10.3 6.1 10.1 12.7 13 12.8 12.8 17.3 5.2 14.7 7.7 9.3 17 14.5 17.5 14.3 11.6 8.9 16.7 2.6 11.3 12.57 11.53 10.58 7.6 7.8 10.2 5.9 9.8 6 14.2 8.4 8.212 7.466 6.787 13.2 12.9 16.4 15.4 8.9 6.2 10.7 8.1 7.6 9.7 The sample mean is 13.70 12.14 11.53 10.03 10.6 18.5 16.3 10.5 10.1 11.3 12.4 12.4 8.5 The sample variance is 9.034 10 7.8 16.1 11.7 8.4 15.4 -0.2 8.2 15.7 8.7 17.4 12.3 17.1 12.6 8.7 10.9 13.5 11.2 13.2 14.5 14.2 11.8 8.5 13 14.1 14.7 14.3 18.2 10 15.7 17.3 15.4 9.1 13.9 15.4 5 7.8 11.7 12.2 15.7 14.1 18.2 13.4 15.7 18 22 9.7 11 12.9 14.8 14.3 8.7 11.7 6.9 8.1 16.2 10.5 13 13.4 14.2 13.4 17.6 17.6 9 15.9 17.4 4.9 12.5 7.4 13 8.7 12.6 15.9 10.6 15.8 5.8 19.1 5.1 11.4 12.7 16.7 14.9 17 8.3 9.2 12.8 11.6 12.3 9.1 9.9 A random sample selected from the given population data yielded the following miles data: X 13.8 11.1 12.2 19.5 12.4 9.3 7.5 15.8 14.9 16.7 13.5 5.5 10.9 12.9 12.5 14 5.1 14.3 5.6 9.2 15.3 10.6 7.2 6.2 18 4.3 13.5 12.7 10.8 10.2 6.9 17.5 13.1 20.2 12.7 12.9 8.6 13.7 10.3 12.5 21 13.2 8.5 10.6 19.9 9.9 8 13 7.4 6.9 15.2 9 4 14.4 10.5 11.6 8.9 13.4 11.6 8.7 0 13.4 19.5 13.8 7.6 13.6 17 16.1 11 5.3 16.2 4.9 14 15.5 10.8 15.9 7.4 13.3 12.2 15.3 15.6 12.1 17.2 16.3 15.4 14.6 9.6 16.1 16.8 11.3 12 14.9 10.2 12.1 8.5 13.3 10.5 14.1 10 10.7 11.3 12.5 14.6 15.8 14.9 11.2 If you obtained all possible random samples of size 7 as above and computed the mean from each sample, the mean of sample means would be
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:Question 1-3 are related
Students in the population of all students taking E270 were asked each to state the student's commuting distance the IUPUI
compus. The data (miles) is shown in datal
Use the data to answer the following 4 questions.
1
2
3
4
5
a
b
с
d
a
b
с
d
a
b
d
a
b
9
с
d
12.6
19.9
15.9
15.4
12.1
10.3
6.1
10.1
12.7
13
12.8
12.8
17.3
5.2
14.7
7.7
9.3
17
14.5
17.5
14.3
11.6
8.9
16.7
2.6
11.3
12.57
11.53
10.58
7.466
6.787
7.6
7.8
10.2
The sample mean is
13.70
12.14
11.53
10.03
9.12
5.9
9.8
6
14.2
8.4
13.2
12.9
16.4
15.4
8.9
6.2
10.7
8.1
7.6
9.7
10.6
18.5
16.3
10.5
10.1
11.3
The sample variance is
9.034
8.212
1.917
2.130
8.212
14.908
12.4
12.4
8.5
The expression
10
7.8
16.1
11.7
8.4
15.4
-0.2
8.2
15.7
8.7
17.4
12.3
17.1
12.6
8.7
10.9
13.5
11.2
13.2
14.5
A random sample selected from the given population data yielded the following miles data:
X
ai and ii are both correct.
bi and iii are both correct.
cii and iii are both correct.
d All are correct.
14.2
11.8
8.5
13
14.1
14.7
14.3
18.2
10
15.7
17.3
15.4
9.1
13.9
15.4
5
7.8
11.7
12.2
15.7
14.1
18.2
13.4
15.7
18
22
9.7
11
12.9
14.8
14.3
8.7
11.7
6.9
8.1
16.2
10.5
12.5
7.4
13
8.7
12.6
15.9
10.6
13
13.4
14.2
13.4
17.6
17.6
9
15.9
17.4
4.9
15.8
5.8
19.1
5.1
11.4
12.7
16.7
14.9
17
8.3
9.2
12.8
11.6
12.3
9.1
9.9
13.8
11.1
12.2
19.5
12.4
9.3
7.5
15.8
14.9
16.7
13.5
5.5
10.9
12.9
12.5
14
5.1
14.3
5.6
9.2
15.3
10.6
7.2
6.2
18
4.3
13.5
12.7
10.8
10.2
6.9
17.5
13.1
20.2
12.7
12.9
8.6
13.7
10.3
12.5
21
13.2
8.5
10.6
19.9
9.9
8
means:
13
7.4
6.9
15.2
9
4
14.4
10.5
11.6
8.9
13.4
11.6
8.7
0
13.4
19.5
13.8
7.6
13.6
17
16.1
11
5.3
16.2
ii In a random sample of size n the probability that is within ±za/2 a/√n is 1 - a.
X
4.9
14
If you obtained all possible random samples of size 7 as above and computed the mean from each sample, the mean of
sample means would be
15.5
10.8
15.9
7.4
13.3
12.2
15.3
15.6
12.1
17.2
16.3
15.4
14.6
If you obtained all possible random samples of size 7 as above and computed the mean from each sample, the variance of
sample means would be
9.6
16.1
16.8
11.3
12
14.9
10.2
12.1
8.5
13.3
10.5
14.1
10
10.7
11.3
12.5
14.6
15.8
14.9
11.2
i Once you take a specific sample and calculate the value of x, you are 1-a percent certain that the value
you calculated is p.
iii 1 - a fraction of the means from samples of size n deviate from the population mean by no more than
+za/2 standard errors.
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