Discussion of the section on timing

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Raymond made 7 measurements of the length of a block, with these results:
42 mm48 mm41 mm45 mm 44 mm40 mm41 mm

1. What is the median of the values Raymond measured?
42 mm     
43 mm     
44 mm     
45 mm     

2. What is the mean of the values Raymond measured?

42 mm     
43 mm     
44 mm     
45 mm

3. Short answer: Briefly report the results of your experiment, in which you dropped a coin from eyelevel to the floor. How accurate is your measurement? What steps did you take to improve the accuracy?


4. Describe an everyday situation where timing is important. In your example, how accurate does the timing need to be?

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