Question

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Question 9 6 pts For each of the following research questions, determine whether an observational study, an experiment, or neither should be used to answer the question. Note - each term on the right may be used more than once or not at all. Does learner-centered instruction increase student success rates in math? Experiment Observational study Is a student who successfully completes a college-level math class within 14 months of enrolling in college more likely to earn a degree or certificate? Neither Is entering the math pipeline at three levels below transfer linked with lower success rates in subsequent math classes? Observational study What proportion of registered women voters voted in the 2016 U.S. presidential election?

Answer 1

To determine whether an observational study, an experiment Ove 9 :- Aul: or neither should be used: <i) Experiment <i) Experiment Observational Study <iii) Neither (iv) Observational Study. Que (10 Aul: Explanatory variable Explanatory variable Not Variable Response variable Air Sample Variable Type of fleer Covering Hospital rooms Bacteria Count (lable each Study either an observational study, experiment, ar neither <i) Experiment Tii) Experiment <iii) Observational study Quel CScanned with CamScanner