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

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

  3.   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 the location is not important B. unbiased, because they are using a systematic random sample
    C. biased, because the sample is not representative of everyone in the library D. biased, because a library loans out primarily books
    Hint

  4.   City hall was conducting a survey concerning social issues. In order to take part, citizens had to pick up the forms at city hall. What kind of sample is this?
    A. biased, convenience B. unbiased, random sample
    C. unbiased, systematic random sample D. biased, voluntary
    Hint

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

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

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

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

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

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



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