1.   Find the median of {55, 21, 21, 69, 71}.
    A. 21 B. 71
    C. 47.4 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. 97 D. 93
    Hint

  3.   The mean is the _______ of a set of numbers.
    A. arithmetic average B. middle number
    C. most frequent D. highest number
    Hint

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

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



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