Answer one way anova f test chapter 21 question 2113

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emergency amputees (survived or failed to survive). Answer: One way ANOVA F test Chapter 21 question 21.13 A comparative psychologist suspects that chemicals in the urine of male rats trigger an increase in the activity of other rats. To check this hunch, she randomly assigns rats, in equal numbers, to either a sterile cage, a cage sprayed with a trace of the chemicals, or a cage sprayed thoroughly with the chemicals. Furthermore, to check out the possibility that reactions might be sex-linked, equal numbers of female and male rats are assigned to the three cage conditions. An activity score is recorded for each rat during a 5-minute observation period in the specified cage. Answer: One factor ANOVA F test Chapter 21 question 21.14 A psychologist wishes to evaluate the effectiveness of relaxation training on the subsequent performance of college students in a public speaking class. After being matched on the basis of the quality of their initial speeches, students are randomly assigned either to receive relaxation training or to serve in a control group. Evaluation is based on scores awarded to students for their speeches at the end of the class. Answer: t test for two related samples 3
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TOPIC 8 EXERCISES Chapter 21 question 21.15 An investigator wishes to determine whether, for a random sample of drug addicts, the mean
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  • Fall '14
  • dargon
  • Statistics, Statistical tests, investigator, ANOVA F test

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