Questions and Answers
What is the primary purpose of taking a sample in scientific research?
To make generalizations about the population
What is the term for the list of individuals from which a sample is selected?
Sampling frame
What type of research is typically conducted in samples, rather than entire populations?
Descriptive research
What are the individual elements that are selected from a population to form a sample?
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Why is it usually not possible to conduct research on an entire population?
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What is the term for the group of all individuals in which we are interested in assessing some parameter(s)?
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What is the primary purpose of calculating the standard error in a sample?
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What is the effect of increasing the sample size on the sampling distribution?
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What is the term used to describe a value calculated from a sample, such as a mean or proportion?
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What is the purpose of plotting sample estimates in a histogram?
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What is the population in the example of estimating the prevalence of obesity in Greece?
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What is the difference between a sample and a population?
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What is a common sampling unit in research?
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What is the primary goal of descriptive research?
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In what type of research is the source population more general?
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What is the group of all individuals in which we are interested to assess some parameter(s) called?
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In which type of research is the source population particularly important to accurately represent?
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What is the term for the process of selecting a sample from a source population?
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What is the purpose of the standard error in a sample?
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What does a 95% Confidence Interval represent?
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What is the effect of increasing the sample size on the standard error?
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What does the width of a Confidence Interval represent?
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What happens to the Confidence Interval as the sample size increases?
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What is the primary purpose of descriptive research in a sample?
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What is the main advantage of using a sample rather than a population in research?
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What is the term for the group of individuals from which a sample is selected?
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What is the effect of increasing the sample size on the standard error of the sample estimate?
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What is the purpose of calculating the standard error in a sample?
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What is the primary purpose of sampling in descriptive research?
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What is the term for the list of individuals from which a sample is selected?
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What type of research is typically conducted in samples, rather than entire populations?
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What is the effect of increasing the sample size on the sampling distribution?
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What is the primary goal of analytic research?
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What is the main reason for conducting research on a sample rather than an entire population?
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What is the primary goal of conducting research on a sample?
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What is the relationship between the sampling frame and the source population?
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What is the purpose of selecting a representative sample?
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What is the difference between descriptive research and analytic research?
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What is the primary goal of descriptive research?
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What is the term for the group of all individuals in which we are interested in assessing some parameter(s)?
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What is the effect of decreasing the sample size on the sampling variation?
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What type of research is typically conducted in samples, rather than entire populations?
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What is the term for the list of individuals from which a sample is selected?
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What is the primary purpose of statistical inference in research?
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What is an example of a population parameter?
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What is the relationship between a sample estimate and a population parameter?
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What is the term for the measurement of a quantity or association in a sample that aims to represent the true quantity or association in the source population?
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What is the purpose of using statistical inference in research?
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What is the primary purpose of selecting a sample from a population?
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What is the source population in a study investigating the association between smoking and oesophageal cancer among 35-65 year olds in Canada?
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Which of the following is an example of a sampling unit?
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What is the focus of descriptive research in a sample?
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Why is it important to restrict the source population to a specific country or region?
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What is the primary goal of analytic research in a sample?
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What is the term for the process of selecting a sample from a source population?
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What is the effect of increasing the sample size on the sample estimate?
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What is the purpose of taking a sample in scientific research?
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What is the term for the group of individuals from which a sample is selected?
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