1.   What is the difference between the highest and the lowest values?
   
    A. 100 B. 80
    C. 75 D. 84
    Hint

  2.   Find the mode of {325, 100, 115, 621, 325, 325, 100}.
    A. 100 B. 115
    C. 273 D. 325
    Hint

  3.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80?
    A. 97 B. 80
    C. 93 D. 100
    Hint

  4.   Which scatter plot shows that x and y have a positive correlation?
    A. B.
    C. D.
    Hint

  5.   How many measurement classes are represented on the histogram?
   
    A. 70 B. 14
    C. 9 D. 44
    Hint

  6.   A baseball owner is trying to convince people that he is spending too much on his players. He is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support his case, which measure of central tendency should he use?
    A. mode B. median
    C. standard deviation D. mean
    Hint

  7.   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. standard deviation
    C. mode D. median
    Hint

  8.   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. Systematic Sampling B. Cluster Sampling
    C. Convenience Sampling D. Random Sampling
    Hint

  9.   To ensure healthy food, every tenth item is checked. What kind of sample is this?
    A. Random Sampling B. Cluster Sampling
    C. Convenience Sampling D. Systematic Sampling
    Hint

  10.   During the month that had three days of rain, how many had above-average temperatures?
   
    A. 5 B. 2
    C. 8 D. 3
    Hint

  11.   Which relationship will most likely have a positive correlation?
    A. A person's height and a person's eye color.
    B. The number of movie tickets sold and the amount of popcorn sold.
    C. Battery power of a flashlight, and continued use of the flashlight.
    D. Rising temperatures and ski equipment sales.
    Hint

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

  13.   Using the box-and-whisker plot, what is the first quartile of Exam B?
   
    A. 72 B. 75
    C. 83 D. 63
    Hint

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

  15.   What is A + B?
   
    A. B.
    C. D.
    Hint

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



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