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intelligence (as measured by IQ). A sample of 40 participants who have taken the medication has a mean of 140. Did the medication affect intelligence?

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intelligence (as measured by IQ). A sample of 40 participants who have taken the medication has a mean of 140. Did the medication affect intelligence? Conduct the hypothesis testing (5 step procedure) . Use a=0.05. a) Formulate two hypotheses. b) What is the most appropriate test? c) Show/explain 5-step procedure: formulate decision rule - calculate appropriate test statistics value - make a conclusion

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