gre math sample test

What are the different types of sampling? => Direct sampling, indirect sampling, random sampling and systematic sampling. or Telephone survey, mail questionnaire, personal interview and direct observations. or Systematic sampling, unbiased..

Random Experiment and Sample Space - An experiment repeated under essentially homogeneous and similar conditions results in an outcome, which is unique or not unique but may be one of the several possible outcomes. When the result is unique then the experiment is called a 'deterministic' ..

An experiment repeated under essentially homogeneous and similar conditions results in an outcome, which is unique or not unique but may be one of the several possible outcomes. When the result is unique then the experiment is called a 'deterministic' experime..

What shall be the most important objective of selecting sample from a population? => Sample selection shall be cost saving. or Each subject in the population shall have an equally likely chance of being selected. or Maximum number of samples shall represent the populat..

What would be the sampling interval, if a systematic sample of 500 students has to be carried out in a university with an enrolled population of 10,000? => 50 or 20 or 1000 or 500..

Which of the following statements is/are true? I. The sampling distribution is a theoretical distribution of a sample statistic. II. Sampling distribution is same for each sample statistic. III. A sample distribution contains a finite number of scor..

Which of the following is a property of sampling distribution? I. Mean of sampling distribution equals population mean. II. Sample mean comes closer to population mean than any other unbiased mean. III. As sample size increases, variation of sample ..

Select the correct statements. I. Samples are used when the population is too small. II. Samples are used when the population is too large. III. Samples are used when the time available for a study is limited. IV. Samples are used only to reduce cost. => II a..

Which of the following example(s) of population and sample is/are correct? => II only or I, II, and III or I and III only0000 or I and II only..

A manufacturing unit produces 2000 electric bulbs every month. Samples of the bulbs are to be tested for any manufacturing defects. What is the best sampling methodology for testing? => cluster sampling or random sampling or systematic ..