1.   Which statistic reveals the least about the increase in the following average gasoline prices for seven consecutive weeks?
$1.05, $1.05, $1.05, $1.55, $1.65, $1.75, $2.00
    A. median B. range
    C. mean D. mode

  2.   A realtor is examining data on average home prices in four separate neighborhoods for the past year. Which graph gives the most accurate representation of the home prices in a neighborhood?

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

  4.   If you have taken five English tests this quarter and received scores of 72, 72, 93, 94, and 95, what misleading statistic could you use to make your grades look better than they are?
    A. mean B. mode
    C. median D. range

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

The McGraw-Hill Companies