StatTutor Lesson - Two-Sample Problems

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Two-sample problems
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      Question 1

      123

      Question 1.

      True or false: Matched pairs data can be analyzed with a one-sample t procedure because it is one sample of differences.

      A.
      B.

      Correct. We analyze one sample of differences when we analyze matched pairs data.
      Incorrect. We analyze one sample of differences when we analyze matched pairs data.
      2
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      Questions 2-3

      220

      Question 2.

      What is the appropriate data collection method for comparing two populations?

      A.
      B.
      C.
      D.

      Correct. The appropriate method for collecting information on two populations is to take two separate SRS’s.
      Incorrect. The appropriate method for collecting information on two populations is to take two separate SRS’s.
      2
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      Question 4

      255

      Question 4.

      Why do we compare two means for this example?

      A.
      B.

      Correct. Whenever we have two separate sets of quantitative data, we compare two means.
      Incorrect. Whenever we have two separate sets of quantitative data, we compare two means.
      2
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      Question 5

      279

      Question 5.

      Why do we compare two means for this example?

      A.
      B.

      Correct. Whenever we have two separate sets of quantitative data, we compare two means.
      Incorrect. Whenever we have two separate sets of quantitative data, we compare two means.
      2
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