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. 97
    C. 100 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.   What is the median for a set of quiz scores?
   
    A. 16 B. 13
    C. 15 D. 17
    Hint

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

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



Glencoe
The McGraw-Hill Companies