StatTutor Lesson - Normal Distributions

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      Question 1

      62

      Question 1.

      What is the name of the density curve that models many bell-shaped symmetric distributions?

      		A.
      		B.
      		C.
      		D.
      		E.
      Incorrect. Normal density curves model many bell-shaped distributions.
      Correct. Normal density curves model many bell-shaped distributions.
      Incorrect. Try again.
      2

      Question 2

      78

      Question 2.

      Which of the following is NOT a characteristic of a Normal distribution?

      		A.
      		B.
      		C.
      		D.
      Incorrect. A Normal distribution is single peaked.
      Correct. A Normal distribution is single peaked.
      Incorrect. Try again.
      2

      Questions 3-8

      169

      Question 3.

      True or false: the mean is the point of symmetry of a Normal distribution.

      		A.
      		B.
      Incorrect. This is a correct statement.
      Correct. This is a correct statement.
      Incorrect. Try again.
      2

      Applet

      200