One researcher conducted a study to examine whether requiring students to attend tutorials for PSYC204 improved their progress test grade. For this purpose, they randomly divided students into two groups (Required vs. Not-required). The required group of students attended tutorials every week. They collected the progress test grade from both groups of students and the results are shown below. Required Not-required 70 60 50 40 30 20 10 0 70 60 50 40 30 20 10 (5) 70 60 50 40 Select the graph that describes the above results properly. (The error bar in the graph indicates mean ± 1 SE.) (1) 30 20 10 0 Required Required Required Not-Required Not-Required Mean Not-Required 50 40 (2) 70 60 50 40 30 20 10 0 (4) 70 60 50 40 30 20 10 0 (6) 80 70 60 50 40 30 20 10 0 Required Required SE Required 10 Ե 15 Not-Required Not-Required Not-Required

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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O Graph 2
Graph 6
Graph 5
Graph 1
Graph 4
Graph 3
Transcribed Image Text:O Graph 2 Graph 6 Graph 5 Graph 1 Graph 4 Graph 3
One researcher conducted a study to examine whether requiring students to attend tutorials for PSYC204
improved their progress test grade. For this purpose, they randomly divided students into two groups
(Required vs. Not-required). The required group of students attended tutorials every week. They collected
the progress test grade from both groups of students and the results are shown below.
Required
Not-required
70
60
50
40
30
20
10
0
Select the graph that describes the above results properly. (The error bar in the graph indicates mean ± 1 SE.)
(1)
(3)
70
60
50
40
30
20
10
0
(5)
70
60
50
40
30
20
10
0
Required
Required
Required
Not-Required
Not-Required
Mean
Not-Required
50
40
(2)
70
60
50
40
30
20
10
0
(4)
288220
70
60
50
40
30
10
(6)
80
70
60
50
40
30
20
10
0
Required
Required
SE
Required
10
15
Not-Required
Not-Required
Not-Required
Transcribed Image Text:One researcher conducted a study to examine whether requiring students to attend tutorials for PSYC204 improved their progress test grade. For this purpose, they randomly divided students into two groups (Required vs. Not-required). The required group of students attended tutorials every week. They collected the progress test grade from both groups of students and the results are shown below. Required Not-required 70 60 50 40 30 20 10 0 Select the graph that describes the above results properly. (The error bar in the graph indicates mean ± 1 SE.) (1) (3) 70 60 50 40 30 20 10 0 (5) 70 60 50 40 30 20 10 0 Required Required Required Not-Required Not-Required Mean Not-Required 50 40 (2) 70 60 50 40 30 20 10 0 (4) 288220 70 60 50 40 30 10 (6) 80 70 60 50 40 30 20 10 0 Required Required SE Required 10 15 Not-Required Not-Required Not-Required
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