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

  2.   Find the median of {55, 21, 21, 69, 71}.
    A. 21 B. 47.4
    C. 71 D. 55
    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. 97 B. 100
    C. 93 D. 80
    Hint

  4.   Find the mean of {15, 7, 9, 25, 4}.
    A. 12 B. 10
    C. 9 D. 13
    Hint

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



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