StatTutor Lesson - Conditions for Inference about a Mean

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Conditions for Inference about a mean
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      Question 1

      108

      Question 1.

      In practice, what is the data collection requirement for inference about µ?

      A.
      B.
      C.

      Incorrect. In theory, the data should be collected with an SRS, but in practice, this condition is met if the data can be considered to be an SRS.
      Correct. In theory, the data should be collected with an SRS, but in practice, this condition is met if the data can be considered to be an SRS.
      Incorrect. Try again.
      2

      Questions 2-3

      135

      Question 2.

      True or false: \( \frac{s}{ \sqrt{n} } \) is called “standard deviation of data in a sample.”

      A.
      B.

      Incorrect. The name for sn is standard error of the mean or standard error of .
      Correct. The name for sn is standard error of the mean or standard error of .
      Incorrect. Try again.
      2