A hospital conducts a study of heart-attack victims enteringthe ER. Half of the

Question

A hospital conducts a study of heart-attack victims enteringthe ER. Half of the patients are given a clot-busting drug, whilethe other half receive angioplasty. The survival rates aredetermined, and any side effects are noted. 1. What is the population? 2. What is the sample? 3. Is the study observational or experimental? 4. What are the independent & dependent variables? For each of those variables, what level of measurement wasused to obtain data from these variables? 5. Classify those variables as either attribute ornumerical A hospital conducts a study of heart-attack victims enteringthe ER. Half of the patients are given a clot-busting drug, whilethe other half receive angioplasty. The survival rates aredetermined, and any side effects are noted. 1. What is the population? 2. What is the sample? 3. Is the study observational or experimental? 4. What are the independent & dependent variables? For each of those variables, what level of measurement wasused to obtain data from these variables? 5. Classify those variables as either attribute ornumerical

Explanation / Answer

1.heart-attack victims 2.heart-attack victims entering the ER. 3.Experimental study. They are applying treatments to theindividuals. 4.Survival rate is the dependent variable. Clot-busting drug andangioplasty are the independent variables. Survival rate : time taken to survive Clot-busting drug : drug given, drug not given Angioplasty : given, not given 5. Clot-busting drug and angioplasty are attributes. And Survivalrate is numerical.

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