Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct a 90% confidence interval estimate of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,757 4,255 4,669 5,032 4,633 4,306 4,394 4,475 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is sec<< (Round to one decimal place as needed.)
Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct a 90% confidence interval estimate of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,757 4,255 4,669 5,032 4,633 4,306 4,394 4,475 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is sec<< (Round to one decimal place as needed.)
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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![10
solve this
cloudy
2
A
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Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the
study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct a 90% confidence interval estimate
of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution.
8
a
2
Z
W
S
#
3
4,757
X
4,255
View an example
E
Click the icon to view the table of Chi-Square critical values.
The confidence interval estimate is sec<< sec.
(Round to one decimal place as needed.
D
$
4,669
5,032
4
C
R
%
F
4
Get more help.
5
4,633
4,306
V
T
G
6
Y
4
&
4,394
4,475
H
7
XX
U
B N
8
J
4,362
4,964
I
M
9
K
<
O
4,446
4.577
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9:21 PM
10/26/2022
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Transcribed Image Text:10
solve this
cloudy
2
A
K
Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the
study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct a 90% confidence interval estimate
of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution.
8
a
2
Z
W
S
#
3
4,757
X
4,255
View an example
E
Click the icon to view the table of Chi-Square critical values.
The confidence interval estimate is sec<< sec.
(Round to one decimal place as needed.
D
$
4,669
5,032
4
C
R
%
F
4
Get more help.
5
4,633
4,306
V
T
G
6
Y
4
&
4,394
4,475
H
7
XX
U
B N
8
J
4,362
4,964
I
M
9
K
<
O
4,446
4.577
►ll
L
BECCH
O
alt
C
>
P
D
ctri
{
?
+
[
+
HE
/
=
<
prt sc
]
pause
Clear all
delete
backspace
E
^ 4
enter
home
T shift
>
num
lock
7
home
Check answer
4
+
end
1
end
9:21 PM
10/26/2022
ند
8
↑
5
po up
O
ins
2
↓
9
og up
pg dn.
6
→>>
3
pg dn
del
enter
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