In the following table, indicate whether the researcher in the scenario is collecting experimental data or observational data. Experimental Observational Scenario Data Data A medical doctor randomly assigns individuals into two groups, giving one group a new drug to reduce O O blood pressure and the other group a placebo, in order to study the effects of the new drug. A sociologist conducts interviews with former protestors and activists in order to study the struggles of O O the civil rights movement. An oncologist randomly assigns rats into two groups, giving one group a new drug intended to fight O O cancer and giving the other group a placebo, in order to study the effects of the new drug. The issue of confounding variables is more likely to be present in data sets than in data sets. Grade It Now Save & Continue Continue without saving