1.   What is the scale in the frequency table?
   
    A. 91-100 B. 51-100
    C. 51-60 D. 0-100
    Hint

  2.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80?
    A. 80 B. 97
    C. 100 D. 93
    Hint

  3.   Which interval has the most values?
   
    A. 70-79 B. 60-69
    C. 10-19 D. 90-99
    Hint

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

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

  6.   Which numbers are ordered from least to greatest?
    A. 50, 35, 32, 32, 10, -5, -8
    B. 10, -8, -5, 32, 32, 35, 50
    C. 8, -5, 10, 32, 32, 35, 50
    D. 5, -8, 10, 32, 32, 35, 50
    Hint

  7.   Which addition problem is modeled?
   
    A. 3 + 5 = 8 B. 3 + 5 = 2
    C. 3 + (-5) = 2 D. 3 + (-5) = -2
    Hint

  8.   Solve x = 6(-7).
    A. 42 B. -1
    C. 13 D. -42
    Hint

  9.   What is the first step in solving 4x 3 = 9?
    A. Add 3 to each side of the equation.
    B. Subtract 3 from each side of the equation.
    C. Divide each side of the equation by 4.
    D. Divide each side of the equation by 3.
    Hint

  10.   Write 7 more than w is 25 as an algebraic equation.
    A. 7 = 25 + w B. w 7 = 25
    C. w + 7 = 25 D. 7w = 25
    Hint

  11.   The table below lists four solutions of y = 3x 2.Find the missing value.
   
    A. 1 B. 5
    C. 2 D. 4
    Hint

  12.   The median is the __________ of a set of numbers.
    A. most frequent number B. highest number
    C. middle number D. arithmetic average
    Hint

  13.   Find the absolute value of 0.
    A. B. 0
    C. -1 D. 2
    Hint

  14.   Evaluate x y if x = 8 and y = -5.
    A. 3 B. -3
    C. 13 D. -13
    Hint

  15.   Evaluate rst if r = -3, s = 2, and t = -8.
    A. 48 B. -24
    C. 24 D. -48
    Hint

  16.   Solve 5r - 7 = 38.
    A. 14 B. 5
    C. 9 D. 6
    Hint

  17.   Solve 10 6s = -32.
    A. 7 B. -5
    C. -7 D. 5
    Hint

  18.   The Mojave Desert in southern California is 15,000 square miles. The Sahara Desert in northern Africa is about 233 times larger than the Mojave Desert. How big is the Sahara Desert?
    A. 3.5 × 106 sq mi B. 3.5 × 103 sq mi
    C. 3.5 × 104 sq mi D. 3.5 × 105 sq mi
    Hint

  19.   Make a box-and-whisker plot of the duration of ten recent solar eclipses listed in the table.
   
    A.
    B.
    C.
    D.
    Hint

  20.   Make a histogram to show the number of hours people in the survey sleep.
   
    A. B.
    C. D.
    Hint



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