1. Describe yesterday's (or Wednesday's) activity. What did you measure? How did you measure it?
2. Why did you have to repeat the trials at least 9 times? Why did you have to take an average?
3. Do you remember why we use column and bar graphs? If you don't, you need to check your notes (hint hint...quiz) Write the answer.
4. What is a Histogram and what is it used for? Check your notes (hint hint...quiz)


When you are done with the quiz, you may have free time or complete some extra credit work (see Aguda)

http://www.quia.com/quiz/1384301.html (English)

http://www.quia.com/quiz/1385108.html (En Espanol)

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