1.   Make a flowchart for the expression..
    A.
    B.
    C.
    D.
    Hint

  2.   Use the flowchart to backtrack and find the solution.
   
    A. 7 B. 18
    C. 8 D. 9
    Hint

  3.   Which relationship would most likely have no correlation?
    A. The number of miles driven, and the number of gallons of gas in the car.
    B. A person's height and the person's shoe size.
    C. The number of pizzas ordered, and the total price of the bill.
    D. A person's age, and the address of the person.
    Hint

  4.   Every fifth person that comes out of a library is asked whether they prefer to read a book or watch a movie. Is this biased or unbiased and why?
    A. unbiased, because they are using a systematic random sample B. unbiased, because the location is not important
    C. biased, because the sample is not representative of everyone in the library D. biased, because a library loans out primarily books
    Hint

  5.   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. standard deviation B. mode
    C. mean D. median
    Hint

  6.   In a factory, every fifth product out of 100 is quality tested. What kind of sampling is represented?
    A. Systematic Sampling B. Convenience Sampling
    C. Random Sampling D. Cluster Sampling
    Hint

  7.   Which reflects the convenience sampling method that a language arts teacher might use to identify the most popular book read by the language arts students?
    A. Ask students who are wearing a red shirt. B. Ask all the students in one geometry class.
    C. Ask the first 10 students who walk into the classroom. D. Ask every third student from the 60 students sitting in a study hall.
    Hint

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

  9.   What is the range of the stem-and-leaf plot?
   
    A. 77 B. 84
    C. 71 D. 67
    Hint

  10.   Which interval has the most values?
   
    A. 70-80 B. 80-90
    C. 50-60 D. 60-70
    Hint

  11.   What is the mode of the number of rainy days each month?
   
    A. 5 B. 7
    C. 6 D. 8
    Hint

  12.   What is the mode of the number of above-temperature days each month?
   
    A. 8 B. 6
    C. 5 D. 2
    Hint

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

  14.   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. Increasing snow inches, and sled sales.
    C. Battery power of a flashlight, and continued use of the flashlight.
    D. Rising temperatures and ski equipment sales.
    Hint

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

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

  17.   Find the interquartile range of
{61, 65, 65, 66, 72, 75, 77, 79, 81, 85, 89, 92, 99}.
    A. 35 B. 25
    C. 77 D. 21.5
    Hint

  18.   What appears to happen in the graph?
   
    A. Sales have doubled each month. B. Sales have slightly increased.
    C. Sales have dropped. D. Sales have cut in half each month.
    Hint

  19.   Why is the graph misleading?
   
    A. Scale is not at even intervals. B. Bars appear to have cut in half.
    C. Months are out of order. D. Color is misleading.
    Hint

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



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