StatTutor Lesson - Introduction to Sampling Distributions

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      Questions 1-2

      104

      Question 1.

      Fill in the blank: We sample instead of taking a census because a census is ____________________.

      A.
      B.
      C.
      D.

      Incorrect. Basically, we sample whenever we cannot do a census.
      Correct. Basically, we sample whenever we cannot do a census.
      Incorrect. Try again.
      2

      Question 3

      127

      Question 3.

      Why do we need a sampling distribution of a statistic?

      A.
      B.
      C.
      D.

      Incorrect. We need a sampling distribution of a statistic so that we can do inference and measure the variability of the statistic.
      Correct. We need a sampling distribution of a statistic so that we can do inference and measure the variability of the statistic.
      Incorrect. Try again.
      2