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

  2.   Find the mode of {325, 100, 115, 621, 325, 325, 100}.
    A. 115 B. 100
    C. 325 D. 273
    Hint

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

  4.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80?
    A. 93 B. 97
    C. 80 D. 100
    Hint

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