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

  2.   Write a percent to represent the shaded area.
   
    A. 64% B. 100%
    C. 4% D. 16%
    Hint

  3.   Express as a percent.
    A. 35% B. 0.35%
    C. 350% D. 3.5%
    Hint

  4.   Express 25% as a fraction.
    A. B.
    C. D.
    Hint

  5.   What is the least common multiple of 4, 5, and 16?
    A. 80 B. 64
    C. 16 D. 160
    Hint

  6.   Order the integers 5, 1, -6, -3, and 5 from least to greatest.
    A. 3, -5, -6, 1, 5 B. 5, -6, -3, 1, 5
    C. 6, -5, -3, 1, 5 D. 5, 1, -3, -5, -6
    Hint

  7.   When you add 6 to the product of a number and 10, the result is 36. Solve 10n + 6 = 36 to find the number.
    A. 4 B. 6
    C. 2 D. 3
    Hint

  8.   Solve . Write the solution in simplest form.
    A. B.
    C. D.
    Hint

  9.   Find the median of {67, 24, 98, 15, 76, 44}.
    A. 54 B. 55.5
    C. 67 D. 44
    Hint

  10.   Which statistic gives the most meaningful information about the central tendency of the data {23, 25, 26, 26, 27, 29, 29, 30, 450, 450, 450}?
    A. mode B. mean
    C. median D. range
    Hint

  11.   Solve x + 9 = 11.
    A. 9 B. 2
    C. -2 D. 11
    Hint

  12.   If a batch of cookies takes of an hour to prepare and bake, about how many batches of cookies can be prepared and baked in three hours?
    A. 13 B. 12
    C. 10 D. 15
    Hint

  13.   Solve = .
    A. 21 B. 13.1
    C. 20 D. 22.1
    Hint

  14.   Recently, basketball player Steve Nash made 231 free throws in 258 attempts. What percent of free throws did he make? Round to the nearest whole percent.
    A. 95% B. 85%
    C. 88% D. 90%
    Hint

  15.   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

  16.   Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this?
    A. 10% B. 20%
    C. 15% D. 40%
    Hint

  17.   Which set of rational numbers is ordered from least to greatest?
    A. 0.6, , 73%,
    B. 0.6, , , 73%
    C. , 0.6, 73%,
    D. , 73%, , 0.6
    Hint

  18.   The bar graph shows survey results of the age of students who were first allowed to either walk or ride their bike to school alone. Suppose there are 4,240 students in the district. Predict how many of them were first allowed to walk or ride their bike to school alone when they were 10 years of age or older.
   
    A. 1,506 B. 1,526
    C. 1,502 D. 1,560
    Hint

  19.   Solve y - 10 7. Graph the solution.
    A. B.
    C. D.
    Hint

  20.   Name the range for the following function table.
   
    A. {1, 2, 3, 4} B. {5, 6, 7, 8}
    C. {6, 8, 9, 11} D. {-1, 0, 1, 2}
    Hint



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