1.   Find the mean of {3, 8, 10, 1, 25}.
    A. 1 B. 9.4
    C. 9 D. 8
    Hint

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

  3.   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. 93 B. 97
    C. 100 D. 80
    Hint

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

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



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