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Bullying, according to noted expert Dan Olweus, poisons the educational environment and affects the learning of every child. Suppose you are interested in the emotional
Bullying," according to noted expert Dan Olweus, "poisons the educational environment and affects the learning of every child." Suppose you are interested in the emotional well-being not only of the victims but also of bystanders, bullies, and those who bully but who are also victims (bully-victims). You decide to measure depression in a group of victims and a group of bully-victims using an 18-item, 5-point depression scale. The group of 84 victims scored an average of 40.1 with a sample standard deviation of 3.8 on the depression scale. The group of 67 bully-victims scored an average of 46.8 with a sample standard deviation of 11.6 on the same scale. Suppose you intend to conduct a hypothesis test on the difference in population means. In preparation, you identify the sample of victims as sample 1 and the sample of bully-victims as sample 2. Organize the provided data by completing the following table
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