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    Pie Chart of Blood Types

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    . Below are the blood types of 16 blood donors.

    O- A+ O- O+ AB- A-
    A+ B+ O+ A+ B- O+
    A- O+ B- B+

    i. Make a frequency table using these 7 blood types: O+, O-, A+, A-, B+, B-, AB-
    ii. What is (are) the mode(s)?
    iii. Does it make sense to talk about the average for this data? Why or why not?
    iv. Using your frequency table draw a pie chart to display the distribution of blood types by filling in the following table:
    Type
    Frequency
    Percentage of total
    Measure of Central Angle (in degrees)

    O+

    A+

    B+

    O-

    A-

    AB-

    B-

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    Solution Summary

    The expert examines a pie chart for blood types.

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