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STATISTICS MCQ FOR COMPETITIVE LEVEL

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STATISTICS MCQ FOR COMPETITIVE LEVEL FOR ENTRANCE IN ISI, DSE, IGIDR Multiple Choice Questions Set 1 1. Random sampling error A. is the difference between a survey that includes only those who re... sponded and a survey that also includes those who failed to respond. B. does not occur in nonprobability samples. C. results from the nature of a study's design and the inappropriate or random administration of the sampling process. D. is a technical term that applies only to simple random sampling. E. is a function of sample size. 2. Which of the following is not a true statement? A. The availability of sampling frames varies in different countries. B. It is difficult for researchers to build sampling frames in Japan and Taiwan, since those governments do not release census information. C. Some nations do not conduct a census of population. D. In some countries, census information is available through the local Inhabitants' Register. E. All of the above are true. 3. Name a sampling procedure in which initial respondents are selected by probability methods, and then additional respondents are obtained from information provided by initial respondents. A. Semi-random B. Initial C. Quota D. Snowball 4. A researcher divides the population of product users into three groups based on degree of use. If the researcher then draws a random sample from each user group independently, she has created a _____ sample. A. random B. stratified C. judgment D. group data E. quota 5. Stratified samples may be distinguished from quota samples because with a stratified sample, sample elements are selected A. randomly. B. judgmentally. C. proportionately. D. sequentially. E. Sample elements are selected in the same manner for both types of samples. [Show More]

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