1.   A graph is misleading if ______.
    A. it is a bar graph B. it has a title
    C. it is a line graph with years labeled on the horizontal axis D. there are no labels on either scale

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

  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. outliers in the data D. too much data

  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. range B. mean
    C. mode D. median

  5.   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; 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.
    B. Graph B; the months are not ordered from least to greatest cost.
    C. Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same.
    D. Graph A; the months are not ordered from greatest to least cost.

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