Random vs Stratified Random Sampling
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Questions and Answers

What does a sampling distribution represent?

  • The distribution of a population
  • The distribution of a statistic calculated from a single sample
  • The distribution of a statistic obtained from all possible samples of a specific size (correct)
  • The distribution of an individual value in a sample

    • How can the sampling distribution of a statistic be determined mathematically?

  • By taking the median of the sample values
  • By conducting a simulation for each value in the sample
  • By using statistical theorems to derive it
  • By deriving it using the laws of probability (correct)

    • What information can be obtained from repeated random sampling?

  • The number of outliers in the sample
  • The range of possible values of the statistic and their frequencies (correct)
  • The relationship between two variables in the population
  • The exact value of the population parameter

    • In determining the sampling distribution, what happens when a large number of samples are drawn and tabulated?

    <p>The histogram will be very close to the theoretical sampling distribution (B)</p> Signup and view all the answers

    What is the sampling distribution of the sample mean?

    <p>The distribution of an infinite number of sample means (B)</p> Signup and view all the answers

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