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. 100 B. 80
    C. 93 D. 97
    Hint

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

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

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

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



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