1.   An infant weighs 7 pounds at birth. Assuming that she gains 1 pound every 2 weeks, how much will she weigh in 10 weeks?
    A. 12 pounds B. 5 pounds
    C. 7 pounds D. 17 pounds
    Hint

  2.   Write 24 as a product.
    A. 2 + 2 + 2 + 2 B. 4 + 4
    C. 2 ·2 ·2 ·2 D. 4 ·4
    Hint

  3.   Write 120,000,000 in scientific notation.
    A. 1.2×108 B. 12×107
    C. 1.2×109 D. 0.12×109
    Hint

  4.   On how many days was the temperature below 76 degrees?
   
    A. 6 B. 1
    C. 2 D. 5
    Hint

  5.   Which value occurred the most often?
   
    A. 78 B. 70
    C. 0 D. 77
    Hint

  6.   What does 9|4 mean?
   
    A. 94 B. 49
    C. 904 D. 9/4
    Hint

  7.   Find the lower quartile for the quiz scores.
   
    A. 12 B. 3
    C. 13 D. 17
    Hint

  8.   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. 220 B. 22
    C. 100 D. 55
    Hint

  9.   Name the operation that should be done first in the expression
9 (7 3) 2.
    A. addition B. multiplication
    C. division D. subtraction
    Hint

  10.   Evaluate 5k + if
k = 3, m = 20, and n. = 5.
    A. 57 B. 20
    C. 7 D. 19
    Hint

  11.   Evaluate x2 + 2xy + y2 if = 4 and y = 7.
    A. 121 B. 86
    C. 78 D. 65
    Hint

  12.   For the data {11, 13, 18, 19, 22, 25, 29, 32, 37, 37, 38}, what is the interquartile range?
    A. 12 B. 19
    C. 7 D. 27
    Hint

  13.   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. mean B. median
    C. range D. mode
    Hint

  14.   The prices of a shirt, before tax, in ten different department stores are as follows: $17.99, $21.99, $14.99, $13.99, $22.99, $21.99, $19.99, $17.99, $24.99, and $18.99. If you were to create a frequency table of this data, how many department stores would fall into the interval $20.00 to $21.99?
    A. 4 B. 2
    C. 3 D. 1
    Hint

  15.   The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room?
   
    A. 3 × 1.5 + 2 × 1 + 2
    B. 5(1.5 + 1) + 2
    C. 3(1.5) + 2(1) + 2
    D. 1.5 + 1.5 + 1.5 + 1 + 1 + 2
    Hint

  16.   Mrs. Robinson bought each of her two daughters a red, white, and blue striped sweater. Her total came to $33.30. Find an equation that shows how much each sweater cost. Use s to represent of the cost of 1 sweater.
    A. 2s = 33.3 B. = 33.3
    C. 2 + s = 33.3 D. s - 2 = 33.3
    Hint

  17.   The scatter plot shows the number of students per computer in U.S. public schools. Predict the number of students per computer in 2006.
   
    A. 8 B. 2
    C. 0 D. 5
    Hint

  18.   Make a stem-and-leaf-plot of the prices of DVD players listed in the table.
   
    A.
    B.
    C.
    D.
    Hint

  19.   The stem-and-leaf plot shows the bowling scores of one round of a bowling meet. Choose the statement that best describes how the data are spread out.
   
    A. The majority of bowlers scored 149 points or greater.
    B. The bowling scores are evenly spread out between 116 and 168.
    C. The mode represents the average bowling score.
    D. The majority of bowlers scored 149 points or less.
    Hint

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



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