1.   The scores on two recent English exams are shown below.

Exam A: 84, 76, 92, 100, 83, 65, 72, 88, 69, 90, 79, 80, 45, 85, 83
Exam B: 50, 62, 68, 80, 85, 90, 91, 54, 60, 90, 95, 64, 87, 72, 75

Are there any outliers in exam A, and if so, which score is an outlier? Use the box-and-whisker plots displayed below.

   
    A. Yes, the score 100 is an outlier. B. Yes, the score 112 is an outlier.
    C. There are no outliers. D. Yes, the score 45 is an outlier.
    Hint

  2.   What percent of the data is between 62 and 90 for Exam B?
   
    A. 100% B. 75%
    C. 50% D. 25%
    Hint

  3.   Which of the following would not be a sample from a population set of all of the farms in Nebraska?
    A. 25 houses with pets are selected from any part of the state.
    B. One farm is selected in each 20 square mile area 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

  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. unbiased, stratified random sample B. unbiased, random sample
    C. biased, voluntary D. biased, convenience
    Hint

  5.   What are the dimensions of the matrix?
    A. 4 × 2 B. 2 × 3
    C. 6 D. 3 × 2
    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. 910 wins, 710 losses B. 950 wins, 670 losses
    C. 980 wins, 950 losses D. 980 wins, 640 losses
    Hint

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

  8.   Which table contains data whose distribution would be skewed right?
    A.
    B.
    C.
    D.
    Hint

  9.   Find the median of the data.
   
    A. 19.5 B. 29.5
    C. 42.5 D. 23
    Hint

  10.   Find the lower quartile of the data.
   
    A. 2 B. 42.5
    C. 19.5 D. 29.5
    Hint



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