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The page below is a sample from the LabCE course Descriptive Statistics. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Absolute vs. Relative Frequency

You also have the choice of plotting the relative or the absolute frequency along the y-axis. The relative frequency is better for large samples. The shape of the graphs, however, is the same for both methods.


    Figure 6
    Absolute Frequency of Serum Glucose Levels in 130 Hospital Employees





    Figure 7
    Relative Frequency of Serum Glucose Levels in 130 Hospital Employees