1. Sketch a normal curve with the following characteristics.
    1. μ = 20
      σ = 4











    2. μ = 0
      σ = 1













  2. The following data is approximately normal. Use the mean and standard deviation of the data to sketch a normal curve that represents the data.

    49 41 33 46 48 50 41 46 46 59
    39 46 42 60 46 51 50 45 50 45
    54 39 46 38 51 36 43 46 44 47
    40 37 42 44 52 44 47 38 47 46











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