1.   The number of calories for a serving of different brands of potato chips and tortilla chips is shown in the back-to-back stem-and-leaf plot below. Which statement is correct?
   
    A. Potato chips and tortilla chips both have the same mean number of calories.
    B. Most of the potato chip brands have less than 150 calories per serving.
    C. Most of the tortilla chip brands have less than 150 calories per serving.
    D. The data for potato chips and the data for tortilla chips have the same mode(s).
    Hint

  2.   Which interval has the most values?
   
    A. 70-80 B. 60-70
    C. 90-100 D. 10-20
    Hint

  3.   What does 9|4 mean in the stem-and-leaf plot below?
   
    A. 49 B. 904
    C. D. 94
    Hint

  4.   Based on the line plot, how many students scored below 70?
   
    A. 13 B. 25
    C. 12 D. 14
    Hint

  5.   Based on the line plot, how many students scored above 90 or below 50?
   
    A. 9 B. 10
    C. 4 D. 5
    Hint



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