• 2022-06-07
    Which of the following sampling methods is a probability sample?
  • stratified sample

    内容

    • 0

      Which of the following is true about the sampling distribution of the sample mean? A: The mean of the sampling distribution is always μ. B: The standard deviation of the sampling distribution is always σ. C: The shape of the sampling distribution is always approximately normal. D: D) All the alternatives are correct

    • 1

      Which are the common used ways to sampling? A: Simple random sample without replacement B: Simple random sample with replacement C: Stratified sample D: Cluster sample

    • 2

      Which of the following is NOT a reason for the need for sampling?

    • 3

      Which of the following sentences indicates “probability”?

    • 4

      Which of the following is an example of nonprobabilistic sampling? A: Simple random sampling B: Stratified simple random sampling C: Cluster sampling D: Judgment sampling