1.   Which statistic is misleading in the following set of test scores?
2, 85, 87, 88, 89
    A. mean B. median
    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 statistic gives the most meaningful information about what price you should expect to pay for a certain baseball bat if the following data are a set of prices at different stores for the bat. {10, 10, 10, 10, 10.50, 11, 12, 14, 18}.
    A. median B. mean
    C. mode D. range

  4.   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. mode B. mean
    C. range D. median

  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. The vertical axis is not labeled.
    C. The horizontal scale is missing the odd-numbered days.
    D. It shows that price of gas changed dramatically during the month.

The McGraw-Hill Companies