1.   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. 80 B. 100
    C. 97 D. 93
    Hint

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

  3.   Find the median of {67, 24, 98, 15, 76, 44}.
    A. 44 B. 54
    C. 67 D. 55.5
    Hint

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

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



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