1. The diagram below depicts three normal curves
    Three normal curves with different means and standard deviations
    1. Which curve has the smallest mean? _______
    2. Which curve has the smallest standard deviation? _______
    3. What is the mean for curve A? _______
    4. What is the apparent mean for curve B? ___________
  2. The figure below depicts six curves:
    s21q05.gif (3004 bytes)
    Which, if any, of the curves in the figure above look(s) like a normal curve?  If the curve is a normal curve, tell why.