MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Solve please.
Percentage of Billboards Data Table
Continuous
Verbal
15
64
11
30
38
61
44
5
37
48
Late Verbal
59
66
68
20
97
54
60
116
87
49
Print
No Verbal
68
87
58
63
64
43
77
82
77
Done
Radio Show
36
44
86
61
13
45
58
44
44
23
-
X
expand button
Transcribed Image Text:Percentage of Billboards Data Table Continuous Verbal 15 64 11 30 38 61 44 5 37 48 Late Verbal 59 66 68 20 97 54 60 116 87 49 Print No Verbal 68 87 58 63 64 43 77 82 77 Done Radio Show 36 44 86 61 13 45 58 44 44 23 - X
Can a secondary task-such as a word association task-improve your performance when driving while fatigued? This was the question of interest in a study. The researchers used a driving
simulator to obtain their data. Each of 40 college students was assigned to drive a long distance in the simulator. However, the student-drivers were divided into four groups of 10 drivers each.
Group 1 performed the verbal task continuously (continuous verbal condition); Group 2 performed the task only at the end of the drive (late verbal condition); Group 3 did not perform the task at
all (no verbal condition); and Group 4 listened to a program on the car radio (radio show condition). At the end of the simulated drive, drivers were asked to recall billboards that they saw along the
way. The percentage of billboards recalled by each student-driver is provided in the accompanying table. Use the appropraite analysis to determine if the mean recall percentage differs
for student-drivers in the four groups. Test using a = 0.01.
Click here to view the data table.
What are the hypotheses?
OA. Ho: H₁ H₂ H3 H4
Ha: At least two treatment means are equal
O B. Ho: At least two treatment means are equal
Ha: H₁ H₂ H3 H4
OC. Ho: At least two treatment means differ
Ha: H1 H2 H3 H4
OD. Ho: H₁ H2 H3 H4
Ha: At least two treatment means differ
Identify the testystatistic.
F= (Round to three decimal places as needed.)
Identify the p-value.
p-value =
(Round to three decimal places as needed.)
expand button
Transcribed Image Text:Can a secondary task-such as a word association task-improve your performance when driving while fatigued? This was the question of interest in a study. The researchers used a driving simulator to obtain their data. Each of 40 college students was assigned to drive a long distance in the simulator. However, the student-drivers were divided into four groups of 10 drivers each. Group 1 performed the verbal task continuously (continuous verbal condition); Group 2 performed the task only at the end of the drive (late verbal condition); Group 3 did not perform the task at all (no verbal condition); and Group 4 listened to a program on the car radio (radio show condition). At the end of the simulated drive, drivers were asked to recall billboards that they saw along the way. The percentage of billboards recalled by each student-driver is provided in the accompanying table. Use the appropraite analysis to determine if the mean recall percentage differs for student-drivers in the four groups. Test using a = 0.01. Click here to view the data table. What are the hypotheses? OA. Ho: H₁ H₂ H3 H4 Ha: At least two treatment means are equal O B. Ho: At least two treatment means are equal Ha: H₁ H₂ H3 H4 OC. Ho: At least two treatment means differ Ha: H1 H2 H3 H4 OD. Ho: H₁ H2 H3 H4 Ha: At least two treatment means differ Identify the testystatistic. F= (Round to three decimal places as needed.) Identify the p-value. p-value = (Round to three decimal places as needed.)
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