anlike dummy). The researchers recorded the number of aggressive acts toward the Bobo doll by each child in a 15-minute period. Here are the results: Real-Life Model Video Model f 37 1 25 1 35 23 34 22 30 21 27 4 19 4 22 3 18 2 19 17 18 10 1

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4. In a study of modeling, one group of 20 children saw an adult acting aggres-
sively on videotape. Another group of 20 children saw the same adult acting
aggressively in real life. Later, each child was placed in a room where he or
she was given the opportunity to behave aggressively toward a Bobo doll (a
humanlike dummy). The researchers recorded the number of aggressive acts
toward the Bobo doll by each child in a 15-minute period. Here are the results:
Real-Life Model
Video Model
X f
f
37
1
25
1
35
23
3
34
3
22
30
21
5
27
4
19
4
22
18
19
17
18
3
10
Compare the two groups in terms of the aggressiveness displayed. If you re-
ject the null hypothesis, tell what it means in the context of the problem.
1
5. A group of 10 navy pilots iş first trainod
Transcribed Image Text:4. In a study of modeling, one group of 20 children saw an adult acting aggres- sively on videotape. Another group of 20 children saw the same adult acting aggressively in real life. Later, each child was placed in a room where he or she was given the opportunity to behave aggressively toward a Bobo doll (a humanlike dummy). The researchers recorded the number of aggressive acts toward the Bobo doll by each child in a 15-minute period. Here are the results: Real-Life Model Video Model X f f 37 1 25 1 35 23 3 34 3 22 30 21 5 27 4 19 4 22 18 19 17 18 3 10 Compare the two groups in terms of the aggressiveness displayed. If you re- ject the null hypothesis, tell what it means in the context of the problem. 1 5. A group of 10 navy pilots iş first trainod
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