Driving A research team studied the relationship between light alcohol consumption and driving when the driver is already sleep deprived. 62 men were recruited and asked to complete a simulated two-hour highway drive in the lab. They were randomly assigned to two treatment groups. Each group has 31 men. In the first group, the participants drank a glass of beer before driving. In the second group, the participants drank a glass of water before driving. The computer recorded how many times a driver drifted out of the lane. The night before their visit to the lab, all 62 participants restricted their sleep time to no more than 5 hours. See below for the summary statistics of the data. Let X be the number of times a driver drifts out of the lane during the simulated 2-hour highway drive. Let S be the sample standard deviation of X. First treatment group T1-32 S₁-3.7 I Second treatment group T2-18 S₂=2.9 S Use a hypothesis test at 0.05 significance level to answer the question: does light alcohol consumption (having one glass of beer) have a negative impact on the driving performance of a sleep-deprived driver? Assume that the conditions for hypothesis testing are met. Compute the test statistic. Please show your work. 4 12pt BIUA A LE Paragraph Y xx, EE fr Does the test result provide sufficient evidence that light alcohol consumption has a negative impact on the driving performance of a sleep-deprived driver? why or why not?
Driving A research team studied the relationship between light alcohol consumption and driving when the driver is already sleep deprived. 62 men were recruited and asked to complete a simulated two-hour highway drive in the lab. They were randomly assigned to two treatment groups. Each group has 31 men. In the first group, the participants drank a glass of beer before driving. In the second group, the participants drank a glass of water before driving. The computer recorded how many times a driver drifted out of the lane. The night before their visit to the lab, all 62 participants restricted their sleep time to no more than 5 hours. See below for the summary statistics of the data. Let X be the number of times a driver drifts out of the lane during the simulated 2-hour highway drive. Let S be the sample standard deviation of X. First treatment group T1-32 S₁-3.7 I Second treatment group T2-18 S₂=2.9 S Use a hypothesis test at 0.05 significance level to answer the question: does light alcohol consumption (having one glass of beer) have a negative impact on the driving performance of a sleep-deprived driver? Assume that the conditions for hypothesis testing are met. Compute the test statistic. Please show your work. 4 12pt BIUA A LE Paragraph Y xx, EE fr Does the test result provide sufficient evidence that light alcohol consumption has a negative impact on the driving performance of a sleep-deprived driver? why or why not?
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
Compute the test statistic please show your work
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8
13
F1
...
2
60
Driving
A research team studied the relationship between light alcohol consumption and
driving when the driver is already sleep deprived. 62 men were recruited and
asked to complete a simulated two-hour highway drive in the lab. They were
randomly assigned to two treatment groups. Each group has 31 men. In the first
group, the participants drank a glass of beer before driving. In the second group,
the participants drank a glass of water before driving. The computer recorded
how many times a driver drifted out of the lane. The night before their visit to the
lab, all 62 participants restricted their sleep time to no more than 5 hours.
See below for the summary statistics of the data. Let X be the number of times a
driver drifts out of the lane during the simulated 2-hour highway drive. Let S be
the sample standard deviation of X.
First treatment group
1-32
S1-3.7
۲
W ....
Second treatment group
T2=18
x
S
S2=2.9
Use a hypothesis test at 0.05 significance level to answer the question: does light
alcohol consumption (having one glass of beer) have a negative impact on the
driving performance of a sleep-deprived driver? Assume that the conditions for
hypothesis testing are met.
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Compute the test statistic. Please show your work.
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Does the test result provide sufficient evidence that light alcohol consumption
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Transcribed Image Text:MNA
8
13
F1
...
2
60
Driving
A research team studied the relationship between light alcohol consumption and
driving when the driver is already sleep deprived. 62 men were recruited and
asked to complete a simulated two-hour highway drive in the lab. They were
randomly assigned to two treatment groups. Each group has 31 men. In the first
group, the participants drank a glass of beer before driving. In the second group,
the participants drank a glass of water before driving. The computer recorded
how many times a driver drifted out of the lane. The night before their visit to the
lab, all 62 participants restricted their sleep time to no more than 5 hours.
See below for the summary statistics of the data. Let X be the number of times a
driver drifts out of the lane during the simulated 2-hour highway drive. Let S be
the sample standard deviation of X.
First treatment group
1-32
S1-3.7
۲
W ....
Second treatment group
T2=18
x
S
S2=2.9
Use a hypothesis test at 0.05 significance level to answer the question: does light
alcohol consumption (having one glass of beer) have a negative impact on the
driving performance of a sleep-deprived driver? Assume that the conditions for
hypothesis testing are met.
F2
X
3 ×
mmand
to
S >>> D
L
#3
E
80
F3
is
ي
$
4
9.7
R
3
F
{
F4
G:11:
J. >
CisV
Home bartleby
%
5
L
0
T
D
G
F5
^
6
10
3.
J
B
r
Y
i
MacBook Air
H
ز
84
&
7
غ
29. U
Ad
F7
J J
J
N!
* 00
J
0: W
12pt
ع
t
12pt
Compute the test statistic. Please show your work.
(
Y 8 A 9
12pt
DII
F8
B I U
B
K
ؤ M
b
66"
XSKN
Does the test result provide sufficient evidence that light alcohol consumption
has a negative impact on the driving performance of a sleep-deprived driver? why
or why not?
BIU А - A TX²
Paragraph
CD
9
Paragraph
A Y A T3
I U A
Paragraph
9
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M
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command
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X
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[で]
S
1 1
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!!!
!!!
F12
: 13
S.
!!!
0¹
date:
D
delete
↑
RE
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