1.   Find the median of {55, 21, 21, 69, 71}.
    A. 47.4 B. 21
    C. 71 D. 55
    Hint

  2.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80?
    A. 100 B. 80
    C. 93 D. 97
    Hint

  3.   What is the median for a set of quiz scores?
   
    A. 13 B. 16
    C. 17 D. 15
    Hint

  4.   Find the mode of {2, 2, 3, 9, 7, 9, 3, 7, 3}.
    A. 2 B. 7
    C. 3 D. 5
    Hint

  5.   The median is the __________ of a set of numbers.
    A. highest number B. middle number
    C. arithmetic average D. most frequent number
    Hint



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