hello chegg can i have this questions with steps please Decide which method of d

Question

hello chegg can i have this questions with steps please

Decide which method of data collection you would use to collect data for the study. Specify either observational study, experiment, simulation, or survey. 8) A study of the salaries of college professors in a particular state 8) A) observational study C) experiment B) survey D) simulation hospital A) simulation C) observational study B) experiment D) census 10) A study where a political pollster wishes to determine if his candidate is leading in the polls 10) A) experiment C) observational study B) survey D) simulation

Explanation / Answer

8. The study of the salaries college professors in a particular state is an observational study.

Since the salaries are fixed, parameter is not varied. Therefore it is an observational study.

9. A study to evaluate the success of a new experimental procedure performed on 35 patients at one hospital is an experiment.

Here, the procedure is controlled and the outcome is determined via an experiment.

10. A study where a pollster wishes to determine if his candidate is leading in the polls is a survey.

The pollster can survey some or all of the voters and gather information based on what they said. The results of the survey however, need not match the actual results of the poll.

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