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    faiesummit's Avatar
    faiesummit Posts: 1, Reputation: 1
    New Member

    Nov 15, 2011, 07:49 PM
    I need help with my Statistics homework
    The hemoglobin A1c test, a blood test given to diabetic's patients during their periodic checkups, indicates the level of control of blood sugar during the past 2 to 3 months. The following data values were obtained for 40 different diabetics patients at a university clinic:

    Classify these A1c values into a grouped frequency distribution using the classes 3.7–4.7, 4.7–5.7, and so on.
    What are the class midpoints for these classes?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member

    Nov 17, 2011, 05:35 AM
    It's the same as midpoint. Add the two class boundaries then divide by two.

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