1.   Which statistic is misleading in the following set of test scores?
2, 85, 87, 88, 89
    A. median B. mean
    C. mode D. upper quartile

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

  4.   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. All three measures of central tendency are presented. D. The actual data are shown, and you are allowed to figure out the measures of central tendency on your own.

  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 price of gas changed dramatically during the month.
    B. The horizontal scale is missing the odd-numbered days.
    C. It shows that the highest price occurred at the beginning of the month and the lowest price occurred at the end of the month.
    D. The vertical axis is not labeled.

The McGraw-Hill Companies