PR2 Formative Assessment 5: Sampling Methods
Quiz by JONALD ROSARIO
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10 questions
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- Q1What is sampling?Selecting a large group of cases from a smaller groupCollecting data from the entire populationSelecting a small group of cases from a larger groupAnalyzing data collected from interviewsSummarizing data obtained from a survey30s
- Q2When is sampling a valid alternative to a census?All of the aboveResults from data collection are needed quicklyTime constraints restrict data collectionSurveying the entire population is impracticableBudget constraints restrict data collection30s
- Q3What does the term 'population' mean in research?Total number of events recordedTotal quantity of things (or cases) of the type being studiedCollective term for a group of organizationsSum of all the data collectedNumber of people in a specific area30s
- Q4What is a sampling frame?Subset of the sample used for data analysisList of all the survey questionsCollective term for all the sampling methodsSubset of the population that is of interest to the studyTotal number of cases in the population30s
- Q5Which characteristic describes a homogeneous population?Population is grouped by locationPopulation contains distinctive groupsPopulation is grouped by typeAll cases are similarPopulation contains strata or layers30s
- Q6Which sampling method gives the most reliable representation of the whole population?Probability samplingNon-probability samplingCluster samplingStratified random samplingSimple random sampling30s
- Q7What is the main difference between probability and non-probability sampling?Non-probability sampling provides a representative sampleProbability sampling only focuses on certain groupsNon-probability sampling is more cost-effectiveProbability sampling relies on random selection, while non-probability sampling does notProbability sampling requires a larger sample size30s
- Q8What is systematic sampling?Selecting the first element randomly, and then selecting every nth elementRandomly selecting elements from clustersDividing the population into strata and selecting from each stratumSelecting every nth element from the populationRandomly selecting elements from the entire population30s
- Q9Which sampling method involves dividing the population into strata and selecting from each stratum?Simple random samplingCluster samplingSystematic samplingNon-probability samplingStratified random sampling30s
- Q10What is cluster sampling?Stratified random sampling with equal proportionsRandomly selecting clusters from the population and including all elements within the selected clustersDividing the population into strata and selecting from each stratumSelecting every nth element from the populationRandomly selecting elements from the entire population30s