Exam 14: Developing the Sampling Plan

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The PGA conducts a study in which they use a simple random sample of 600 golfers.They examine the data from the sample and calculate that 28% of them own golf clubs made in the USA.The 28% is the

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Nonprobability sampling is an objective procedure in which the probability of selection for the population units can be determined.

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Which of the following are advantages of stratified over simple random sampling?

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A snowball sample is a form of cluster sampling in which areas such as census tracts or blocks serve as the primary sampling units.

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Which of the following are valid population elements?

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Samples are often used to infer something about a population rather than canvassing the population itself because they are typically

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Andy was a senior in college majoring in marketing.He received a call to participate in a survey on behalf of a company that was targeting graduating seniors.At the end of the survey,Andy was asked for the name of a friend who was also a senior in marketing.This is an example of a "snowball" sample.

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

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In probability samples,the probabilities of each element being included must be

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Convenience samples

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Which of the following types of probability samples does not require a complete list of population elements by name in order to draw the sample?

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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?

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

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

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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 as-signed each student a unique number and then used a random number table to select her sample.Jane Doe is most likely using a

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The distinguishing feature of probability samples is that

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One of the major problems with mail surveys is nonresponse bias.In an effort to minimize this,a researcher decides to limit the sample to his personal friends from whom he is sure to get replies.This is an example of a

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The type of sampling plan where the specific sampling elements are left to the discretion of the researcher is

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A researcher wishes to sample from a population in which two important segments make up less than 2% of the population but wishes to develop confidence intervals describing their behaviors.Which type of sampling is most appropriate?

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The sampling distribution of a statistic refers to the

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