1.   The following are scores on an English exam. The highest score possible is 100. Where is there a cluster?
   
    A. 90-100 B. 60-75
    C. 20-100 D. 20-30
    Hint

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

  3.   Express 21.3 out of 100 as a percent.
    A. 2.13% B. 213%
    C. 21.3% D. 0.213%
    Hint

  4.   Find .
    A. B.
    C. D.
    Hint

  5.   Which pair of ratios is equivalent?
    A. 3 to 7 and 7 to 34
    B. 1:2 and 3:4
    C. 4 to 6 and 8 to 10
    D. 5:6 and 15:18
    Hint

  6.   Solve .
    A. 30 B. 20
    C. 35 D. 25
    Hint

  7.   Roughly of Earth's surface is water. Write the percent as a fraction in simplest terms.
    A. B.
    C. D.
    Hint

  8.   The price of a computer system at an electronics store is $1099. Determine the percent of change in price if the computer system sold for $1349 a month earlier.
    A. 22.7% increase B. 22.7% decrease
    C. 18.5% decrease D. 18.5% increase
    Hint

  9.   Luis Gonzales plays baseball for the Arizona Diamondbacks. After 20 games one season, he had 11 homeruns. Predict how many homeruns he will have after 100 games.
    A. 100 B. 55
    C. 220 D. 22
    Hint

  10.   Which statistic gives the most meaningful information about what price you should expect to pay for a certain baseball bat if the following data are a set of prices at different stores for the bat. {10, 10, 10, 10, 10.50, 11, 12, 14, 18}.
    A. mean B. median
    C. range D. mode
    Hint

  11.   An ordinary six-sided die is rolled. What is the probability that a number greater than four is rolled?
    A. B.
    C. D.
    Hint

  12.   Write an algebraic expression for the phrase 17 more than r.
    A. 17r B. 17 > r
    C. r + 17 D. r - 17
    Hint

  13.   Solve 5s - 2 < 18
    A. s > 5 B. s < 5
    C. s > 4 D. s < 4
    Hint

  14.   Solve 7 + y 21
    A. y 14 B. y 3
    C. y > 14 D. y 14
    Hint

  15.   Find the perimeter of the figure.
   
    A. 25 in. B. 15 in.
    C. 20 in. D. 24 in.
    Hint

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

  17.   Write 7 · 7 · 7 · 7 · 7 in exponential form.
    A. 75 B. 77
    C. 57 D. 55
    Hint

  18.   Simplify -11 + d + (-15).
    A. -26 + (-d) B. -26 + d
    C. 26 + d D. 26 + (-d)
    Hint

  19.   The table shows approximately the number of mobile phone users in each age group. Find the number of phone users aged 12-17 as a fraction of the number of mobile phone users aged 55 and over in simplest form.
   
    A. B.
    C. D.
    Hint

  20.   Suppose you toss three quarters. What is the probability that exactly two of the coins will show tails?
    A. B.
    C. D.
    Hint



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