To explain: The study can be conducted in the state which can be representative of the latest government results.
An observational study with random sampling has to be performed so that the people who live in his state are representative of the government results.
Given:
To estimate the public feeling about the economy, a researcher conducts a study to verify if the people who live in his state are representative of the latest government results.
Concept used:
The random sampling method is where every subject has an equal chance of being selected without any bias and an observational study is where the researcher observes the data to analyse and does not have any control.
Explanation:
The researcher observes the people who live in his state to see if it is representative of the latest government results, thus it can be considered as an observational study and to eliminate any bias it would be better if random sampling is considered. Thus the researcher should conduct an observational study with random sampling to determine if the people who live in his state are representative of the latest government results.
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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