1.   Find the upper quartile of {2, 5, 13, 21, 29}.
    A. 25 B. 13
    C. 29 D. 3.5
    Hint

  2.   Find the interquartile range of {61, 65, 65 ,66, 72, 75, 77, 79, 81, 85, 89, 92, 99}.
    A. 21.5 B. 77
    C. 87 D. 65.5
    Hint

  3.   City hall was conducting a survey concerning social issues. In order to take part, citizens had to pick up the forms at city hall. What kind of sample is this?
    A. biased, voluntary B. unbiased, random sample
    C. unbiased, systematic random sample D. biased, convenience
    Hint

  4.   To conduct a survey about the people of Wisconsin, 100 people were chosen from each county based on a recent census. What kind of sample is this?
    A. biased, voluntary B. biased, convenience
    C. unbiased, random sample D. unbiased, stratified random sample
    Hint

  5.   If A = , what is 5A?
    A.
    B.
    C.
    D.
    Hint

  6.   Suppose the matrix represents the records of the top four teams in a baseball season. If someone used this matrix to predict the total number of wins and losses by the second place team in the next decade (ten years), how many wins and losses would they predict?
    A. 950 wins, 670 losses B. 980 wins, 950 losses
    C. 910 wins, 710 losses D. 980 wins, 640 losses
    Hint

  7.   The least number of children fall in which interval?
   
    A. cannot be determined B. 30-44 months
    C. 15-29 months D. 0-14 months
    Hint

  8.   A histogram is a graph in which the data are organized into equal _______.
    A. intervals B. tallies
    C. elements D. bars
    Hint

  9.   What is the greatest value of the data?
   
    A. 13 B. 19
    C. 9.5 D. 10
    Hint

  10.   Find the lower quartile of the data.
   
    A. 3.5 B. 6.5
    C. 10 D. 1
    Hint



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