Introduction to statistics: identifying population and sample

  

1. In a​ poll, 1001 men in a country were asked whether they favor or oppose the use of​ “federal tax dollars to fund medical research using stem cells obtained from human​ embryos.” Among the​ respondents, ​46% said that they were in favor. Identify the population and the sample.

2. A polling organization contacts 2490 adults who are 20 to 90 years of age and live in Europe and asks whether or not they had voted in the last federal election. What is the population of the study? What is the sample in the study?

3. A​ quality-control manager randomly selects 80 bottles of mustard that were filled on September 28 to assess the calibration of the filling machine. What is the population of the study? What is the sample in the study?

4. Determine whether the underlined value is a parameter or a statistic.

A Study of 6,076 adults in public rest rooms found that 23% did not wash their hands.

5. Determine whether the underlined value is a parameter or a statistic.

In a study of all 1041 professors at each college, it is found that 25% own a vehicle.

6. A survey of 12,077 women in a particular country found that 46.8​% received an influenza vaccine for a recent flu season. Identify the population and the sample.

7. In a​ poll, 1,004 women in a country were asked whether they favor or oppose the use of​ “federal tax dollars to fund medical research using stem cells obtained from human​ embryos.” Among the​ respondents, 46​% said that they were in favor. Identify the population and the sample.

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