1.   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?
    A.
    B.
    C.
    D.
    Hint

  2.   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
    Hint

  3.   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. mode B. mean
    C. median D. range
    Hint

  4.   Both bar graphs show the amount it costs to heat a two-story house during the winter. Which graph is misleading? Explain.
   
    A. Graph B; the months are not ordered from least to greatest cost.
    B. Graph A; the months are not ordered from greatest to least cost.
    C. Graph B; there is a break in the vertical scale, the cost of heating the house in January appears to be much greater than heating the house in November.
    D. Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same.
    Hint

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



Glencoe
The McGraw-Hill Companies