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Specify the explanatory variable and the response variable

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Reference no: EM131725885

Question: Refer to Exercise. In each part, specify the explanatory variable and the response variable.

Exercise: In each situation, indicate whether you think an observational study or a randomized experiment would be used. Explain why in each case.

a. A teacher wants to compare the grade point averages of female students who are in sororities to the grade point averages of female students who are not in sororities.

b. A doctor wants to compare the effectiveness of two allergy medications.

c. A social psychologist wants to determine whether restaurant servers will get better tips if they introduce themselves by name to the people they serve.

d. A child psychologist wants to find out whether there is an association between the amount of television 6-year-old children watch and how often they bully other children in school.

Reference no: EM131725885

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