Exam 14: Developing the Sampling Plan

If you enter a shopping mall and notice a researcher handing out surveys to everyone asking their opinion about a possible increase in state sales tax rates, what type of sampling procedure is being used?

Which of the following is NOT a probability sample?

A sample where the respondent provides the names of other potential respondents is called a(n)

Jane Doe wants to administer a short survey on "student driving habits" to a representative sample of students at the local university. She secured a list of students from the student directory. She assigned each student a unique number and then used a random number table to select her sample. Jane Doe is most likely using a

The feature that distinguishes stratified sampling from other forms of probability sampling is that only stratified samples

A researcher is seeking a representative sample (of size n=50) of Fortune magazine's list of the 500 largest industrial corporations. She randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected. The researcher is using what type of sampling plan?

Under which of the following conditions can the population mean be estimated without error employing a stratified sample?

In order to use a table of random numbers to draw a simple random sample, the researcher must

Using probability sampling, Sam collected data on the number of dogs owned in each household in the Houston____________________________ area. He analyzed his data and determined that 1.3 dogs are owned in each household. He might conclude from this information that there is a probability that at least one dog is owned by every household in Texas. Sam used____________________________to draw this conclusion.

With a given precision range, the amount of confidence is indirectly related to the size of the sample.

The listing of elements from which you'll draw the sample is called the

Which of the following are valid population elements?

A researcher wants to be able to assess the amount of "sampling error" associated with an estimate. Which of the following sampling methods would you recommend she use?

Which of the following is TRUE?

A parameter represents

Which of the following is NOT a nonprobability sampling technique?

One goal of stratified sampling plans is to decrease the amount of variability in each stratum. This can be accomplished by

The distinguishing feature of nonprobability sampling plans is that

A sample in which each target population element has a known, nonzero chance of being included in the sample is called a(n) sample.

A researcher cannot pinpoint the actual average family income in a city unless he conducts a census study.