In 2010, the Pew Research Center questioned 1500 adults in the U.S. to estimate

Question

In 2010, the Pew Research Center questioned 1500 adults in the U.S. to estimate the proportion of the population favoring marijuana use for medical purposes. It was found that 73% are in favor of using marijuana for medical purposes. Identify the individual, variable, population, sample, parameter and statistic Percentage who favor marijuana for medical purposes calculated from sample Parameter Individual Set of 1500 responses of U.S adults who are questioned The response to the question "should marijuana be used for medical purposes?" Population Sample Percentage who favor marijuana for medical purposes calculated from population. Variable A U.S. adult. Statistic All adults in the U.S.

Explanation / Answer

Parameter:Percentage who favor marijuana for medical purposes calculated from population

Reason:Parameter is a population characteristic.

Individual:A U.S adult

Reason:Since every unit in the population reflects towards the parameter.

Population:All Adults in U.S

Reason:Scope of study is for U.S.

Sample:Set of 1500 responses of U.S adults who are questioned.

Reason:Estimation is done using 1500 adults.

Variable:The response to the question "should marijuana be used for medical purposes?"

Statistic:Percentage who favor marijuana for medical purposes calculated from sample

Reason:Statistic is calculated from sample.

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