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arm length vs height

Page history last edited by Kevin plays hockey 16 years, 6 months ago

Give what you were observing

 


 

In our project we observed our classmates arm length, from elbow to finger tip, and their height, from their toes to their head.

 

 

Material List


  • A Wooden meter stick crafted by a machine out of fresh pine. The meter stick was 100 cm long.
  • We used a number 2, .7mm lead, mechanical pencil.
  • We also used notebook paper to record our classmates data 

 

 

Protocol (a.k.a. Procedure)


  1. We went to a student and measured their forearm with the meter stick.
  2. Then we recorded the information with our number 2 pencil onto our lined paper. 
  3. Next, we realized we needed or classmates' height. So we went around to each student and recorded their height with our meter stick.
  4. Then we recorded the data onto the paper with our mechanical number 2 pencil, with .7 lead.
  5. Next we recorded our data onto the excel spreadshe

 

Results


 

 

Discussion


 There is one direct relationship between the variables of the graph. This relationship would be a person's height and arm length. For instance, the taller a person is, the longer there arm will be. However, the results varied due to the fact that there is no stable relationship between the variables. Such as, every person that is 152 cm wont have an arm length of 47 cm. The trendline has a slope of 2.565, even though our results are scattered across the chart, the trend line follows the mainstream pattern.

 

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