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

  2.   Find the median of {55, 21, 21, 69, 71}.
    A. 55 B. 47.4
    C. 21 D. 71
    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. 80
    C. 100 D. 97
    Hint

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

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



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