1.   What is the range for the scores 3, 1, 5, 7, 11, 9?
    A. 9 B. 11
    C. 10 D. 6
    Hint

  2.   The following are scores on an English exam. The highest score possible is 100. What is the greatest score?
   
    A. 75 B. 100
    C. 21 D. 71
    Hint

  3.   The following are scores on an English exam. The highest score possible is 100. How many students scored at least 70?
   
    A. 13 B. 12
    C. 25 D. 14
    Hint

  4.   What is the least energy used by any of these states (in hundred trillion BTU's)?
   
    A. 5 B. 4
    C. 6 D. 7
    Hint

  5.   Are there any clusters in this data?
   
    A. Yes, 5-8 and 14-18. B. No, there are no clusters.
    C. Yes, 5-20. D. Yes, 11-15.
    Hint



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