1.   Refer to the set of data below. If 15 were removed from the set of data, which values would change?
   
    A. range and mean B. range
    C. mode D. mean, median, and range
    Hint

  2.   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. 17 pounds
    C. 7 pounds D. 5 pounds
    Hint

  3.   What would you predict your resting heart rate would be if you exercise 25 minutes per day?
   
    A. 100 B. 120
    C. 70 D. 50
    Hint

  4.   The mean is the _______ of a set of numbers.
    A. highest number B. arithmetic average
    C. most frequent D. middle number
    Hint

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

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

  7.   A realtor is examining data on average home prices in four separate neighborhoods for the past year. Which graph gives the most accurate representation of the home prices in a neighborhood?
    A.
    B.
    C.
    D.
    Hint

  8.   Find the next term in the sequence
3, 9, 15, 21,
    A. 36 B. 27
    C. 63 D. 25
    Hint

  9.   Evaluate x - y if x = 2 and y = 7.
    A. 5 B. -5
    C. 9 D. -9
    Hint

  10.   Solve x = -28 ÷ 7.
    A. 21 B. -21
    C. 4 D. -4
    Hint

  11.   The prices of a certain type of calculator in eight different retail stores are; $70 $75 $80 $80 $85 $90 $95 $105. Which of the tables is a frequency table of the prices?
    A.
    B.
    C.
    D.
    Hint

  12.   How much money do you predict Classic Comics will make on the Internet in July?
   
    A. $120 B. $100
    C. $130 D. $110
    Hint

  13.   Solve z = -15 - 7.
    A. -8 B. 22
    C. 8 D. -22
    Hint

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

  15.   Use the Distributive Property to find (7 - 4)8 written as an equivalent expression. Then evaluate the expression.
    A. 8 - 7 · 8 - 4; 4 B. 7 · 8 - 8 - 4; 24
    C. 7 · 8 - 4 · 8; 24 D. 7 · 8 - 4 · 8; 416
    Hint

  16.   A steak dinner including filet mignon, a baked potato, and green beans costs $20. A slice of apple pie can be added for $6 more. How much would it cost a family of 5 to each have a steak dinner and apple pie?
    A. $130 B. $106
    C. $26 D. $50
    Hint

  17.   Rewrite a + (b + c) using the Associative Property.
    A. a + b + c + 0 B. (a + b) + c
    C. (c + b) + a D. ab + ac
    Hint

  18.   Describe and identify the pattern in the sequence.
6, 7, 9, 12, 16,
    A. Add 2 to the first term, add 4 to the second term, and so on; neither arithmetic nor geometric B. ×2; geometric
    C. Add 1 to the first term, add 2 to the second term, and so on; neither arithmetic nor geometric D. +1; arithmetic
    Hint

  19.   Describe and identify the pattern in the sequence.
0.3, 0.6, 1.2, 2.4,
    A. +2; arithmetic B. ×2; geometric
    C. ×0.2; geometric D. +0.3; arithmetic
    Hint

  20.   Both bar graphs show the amount it costs to heat a two-story house during the winter. Which graph is misleading? Explain.
   
    A. Graph A; the months are not ordered from greatest to least cost.
    B. Graph B; the months are not ordered from least to greatest cost.
    C. Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same.
    D. 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.
    Hint



Glencoe
The McGraw-Hill Companies