1.   In a stem-and-leaf plot, ______.
    A. a key is used to describe what the numbers in the plot represent.
    B. the stems are on the right side and the leaves are on the left side
    C. 0 can never be a stem
    D. 0 can never be a leaf
    Hint

  2.   Refer to the stem-and-leaf plot below.
   
    A. Five numbers are represented in the stem-and-leaf plot.
    B. Most of the numbers fall between 30 and 49.
    C. Sixty is the greatest number in the data set.
    D. Four numbers are represented in the stem-and-leaf plot.
    Hint

  3.   Find the mode of the set of data.

24, 25, 30, 31, 31, 33, 34, 38, 41, 42, 44, 48, 49, 67

    A. 67 B. 34
    C. 36 D. 31
    Hint

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

  5.   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. 93
    C. 80 D. 100
    Hint