Suppose you want to conduct a survey to determine who is most likely to win the

Question

Suppose you want to conduct a survey to determine who is most likely to win the next pres election. Which of the following would be considered to be ar a. 1,000 likely voters who called in to a local radio talk shovw b. 1,000 likely voters who returned surveys sent to everyone on a Democrat or newsletter mailing list. Republican c. 1,000 likely voters who replied to an Internet website survey d. None of these would be considered to be representative samples. 6. Which of the following is the best definition of the term 'data"? a. b. c. d. Any number, such as 1, 3, or 10. Numbers such as 1 and 10 and words such as yes or no. Any number or other piece of information to which meaning has been attached. None of the above. 7. How do reporters find stories based on statistical studies in their areas of interest? a. b. c. d. Routinely reading scholarly journals. Attending academic conferences. Watching for government reports. All of the above. 8. Why is it important to know how the individuals or objects in a study were selected? a. b. c. d. It is important to know to whom the results can be extended. It is important for determining whether or not there is bias in the results. Both a) and b) are true. It is not important to know how the individuals were selected; only the size of the sample matters. 9. Suppose a group of students who reported smoking marijuana was found to have lower test scores than a group of students who reported they don't smoke marijuana. What is the most that can be concluded with regard to the population ofall tudents? a. Smoking marijuana causes lower test scores b. Smoking marijuana may be related to lower test scores c. Students who smoke marijuana have lower test scores than students who don't. d. None of the above. Why is it important to know about any differences in two groups being compared, in addition to the factor of interest? 10. If the groups are too different, it becomes difficult to see the effects that are due only to the factor of interest If the groups are too similar, then any difference found in the factor must be simply due to chance Unless there is a big difference in the results, it doesn't matter whether or not the groups themselves are different. None of the above. a. b. c. d.

Explanation / Answer

5)option d is correct.

6) option c) is correct.

7) option d) is correct.

8) option c) is correct.

9) option a) is correct.

10) option b) is correct.

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