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

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

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

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

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

  6.   Which of the following would not be a sample from a population set of all of the farms in Nebraska?
    A. One farm is selected in each 20 square mile area of the state
    B. 25 houses with pets are selected from any part of the state.
    C. The farms are split into groups based on what they produce, and then 4 are selected from each group.
    D. 12 farms are selected from any part of the state.
    Hint

  7.   What are the dimensions of the matrix?
    A. 4 × 2 B. 3 × 2
    C. 6 D. 2 × 3
    Hint

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

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

  10.   What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
    A. Random Sampling B. Cluster Sampling
    C. Convenience Sampling D. Systematic Sampling
    Hint

  11.   Find the range of {120, 42, 62, 44, 20, 42, 112}.
    A. 100 B. 44
    C. 42 D. 63
    Hint

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

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

  14.   Find the first quartile of the data.
   
    A. 19.5 B. 25
    C. 29.5 D. 91
    Hint

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

  16.   How could the graph be changed so it is not misleading?
   
    A. Change the color. B. Make the graph start at 0 to see all of the bars.
    C. Change the graph from vertical to horizontal. D. Write out the entire names of the months.
    Hint



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