1.   Find the mean of {3, 8, 10, 1, 25}.
    A. 9 B. 9.4
    C. 1 D. 8
    Hint

  2.   Which scatter plot shows that x and y have no correlation?
    A. B.
    C. D.
    Hint

  3.   Which relationship would most likely have a negative correlation?
    A. A person's age, and the address of the person.
    B. A person's height and the person's shoe size.
    C. The number of miles driven, and the number of gallons of gas in the car.
    D. The number of pizzas ordered, and the total price of the bill.
    Hint

  4.   Which of the following is not necessarily considered a part of the population?
    A. census B. random sample
    C. the data collector D. biased sample
    Hint

  5.   Find .
    A.
    B.
    C.
    D.
    Hint

  6.   Find A + C.
   
    A. B.
    C. impossible D.
    Hint

  7.   Find AC.
   
    A. B. impossible
    C. D.
    Hint

  8.   How many children attend this child care facility?
   
    A. 6 B. 70
    C. 14 D. 100
    Hint

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

  10.   Find the range of the data.
   
    A. 42.5 B. 19.5
    C. 61 D. 23
    Hint

  11.   Baseball players are trying to show that they deserve more money. Their owner is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support their case, which measure of central tendency should they use?
    A. mean B. median
    C. mode D. standard deviation
    Hint

  12.   Everyone at the stadium is eligible for a drawing at the end of the night. If everyone was given a number, and 10 winners are announced, what kind of sampling is represented?
    A. Convenience Sampling B. Cluster Sampling
    C. Systematic Sampling D. Random Sampling
    Hint

  13.   What kind of sampling is represented by putting 70 names in a hat and drawing 10 of the names?
    A. Systematic Sampling B. Convenience Sampling
    C. Random Sampling D. Cluster Sampling
    Hint

  14.   Which relationship will most likely have a positive correlation?
    A. Rising temperatures and ski equipment sales.
    B. Increasing snow inches, and sled sales.
    C. A person's height and a person's eye color.
    D. Battery power of a flashlight, and continued use of the flashlight.
    Hint

  15.   Which relationship will most likely have a negative correlation?
    A. Battery power of a flashlight, and continued use of the flashlight.
    B. A person's height and a person's eye color.
    C. Increasing snow inches, and sled sales.
    D. The number of movie tickets sold and the amount of popcorn sold.
    Hint

  16.   Which relationship will most likely have a no correlation?
    A. Increasing snow inches, and sled sales.
    B. Battery power of a flashlight, and continued use of the flashlight.
    C. The number of hours of sleep a person gets per night and the person's shoe size.
    D. Rising temperatures and ski equipment sales.
    Hint

  17.   Using the box-and-whisker plot, what is the least value of the data for exam A?
   
    A. 50 B. 83
    C. 65 D. 45
    Hint

  18.   What is the third quartile of {2, 5, 13, 21, 29}?
    A. 25 B. 27
    C. 20 D. 18
    Hint

  19.   Find the first quartile of
{2, 5, 13, 21, 0, 5, 18, 21, 22, 23, 26, 26, 26}?
    A. 27 B. 5
    C. 26 D. 25
    Hint

  20.   What is BC?
   
    A. B.
    C. D.
    Hint



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