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  1. Return to Approaches to Social Research 6e Student Resources

Chapter 06 True/False Quiz

* not completed
. For extremely large populations, such as the U.S. population, a sample may describe the population more accurately than a census.

* not completed
. Constructing a sampling frame often amounts to finding an adequate list of all cases in the population.

* not completed
. One advantage of probability sampling over nonprobability sampling is that it eliminates investigator bias in the selection of cases.

* not completed
. To establish a confidence interval for a sample statistic, one must know the values of the sample statistic and population parameter.

* not completed
. A stratified random sample always has a smaller margin of error than a simple random sample.

* not completed
. One way of reducing sampling error in cluster sampling is to decrease the number of sampled clusters.

* not completed
. Nonprobability sampling of a target population may be necessary when it is impossible to construct a sampling frame.

* not completed
. Referral sampling if often used to study large, widely dispersed populations.

* not completed
. The accuracy of most presidential election polls is the result of selecting extremely large samples of 20,000 or more voters.

* not completed
. Sample accuracy is affected by both random sampling error and sample bias.

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