1.   Which is not a reason that measures of central tendency for a set of data can be misleading?
    A. inaccurate data B. too much data
    C. outliers in the data D. incomplete data

  2.   Which statistic gives the most meaningful information about the central tendency of the data {23, 25, 26, 26, 27, 29, 29, 30, 450, 450, 450}?
    A. range B. mode
    C. median D. mean

  3.   An automobile dealer wants to sell a certain car for $20,000. If three other dealers in town are selling the same car for $15,000, $15,000, and $30,000, which measure of central should the car dealer use to describe this data to his customers?
    A. mean B. median
    C. range D. mode

  4.   Which of the following is a way in which statistics are made to be misleading?
    A. The actual data are shown, and you are allowed to figure out the measures of central tendency on your own. B. The scale is altered on a graph.
    C. Outliers on data are brought up and their effects on the measures of central tendency are explained. D. All three measures of central tendency are presented.

  5.   The line graph shows the average price of gas for one recent month in Austin, Texas. Why is the graph misleading?
    A. It shows that the highest price occurred at the beginning of the month and the lowest price occurred at the end of the month.
    B. It shows that price of gas changed dramatically during the month.
    C. The horizontal scale is missing the odd-numbered days.
    D. The vertical axis is not labeled.

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