1.   Which statistic gives the most accurate information for the following set of test scores?
2, 85, 87, 88, 89
    A. median B. mean
    C. range D. mode

  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. mode D. range

  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.   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. median D. range

  5.   Which of the following is a way in which statistics are made to be misleading?
    A. The scale is altered on a graph. B. Outliers on data are brought up and their effects on the measures of central tendency are explained.
    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.

The McGraw-Hill Companies