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Mathematics, 18.03.2021 01:50 Hellokittyjam35

The group of 23 bully-victims scored an average of 40.1 with a sample standard deviation of 10 on the depression scale. The group of 28 bystanders scored an average of 46.8 with a sample standard deviation of 11 on the same scale. You do not have any presupposed assumptions about whether bully-victims or bystanders will be more depressed, so you formulate the null and alternative hypotheses as:

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The group of 23 bully-victims scored an average of 40.1 with a sample standard deviation of 10 on th...
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